401665264

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 160

約数和(自身を含む): 1079930880

約数和(自身を除く): 678265616

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 44, 52, 56, 62, 77, 88, 91, 104, 112, 124, 143, 154, 176, 182, 208, 217, 248, 286, 308, 341, 364, 403, 434, 496, 572, 616, 682, 728, 806, 809, 868, 1001, 1144, 1232, 1364, 1456, 1612, 1618, 1736, 2002, 2288, 2387, 2728, 2821, 3224, 3236, 3472, 4004, 4433, 4774, 5456, 5642, 5663, 6448, 6472, 8008, 8866, 8899, 9548, 10517, 11284, 11326, 12944, 16016, 17732, 17798, 19096, 21034, 22568, 22652, 25079, 31031, 35464, 35596, 38192, 42068, 45136, 45304, 50158, 62062, 62293, 70928, 71192, 73619, 84136, 90608, 100316, 115687, 124124, 124586, 142384, 147238, 168272, 175553, 200632, 231374, 248248, 249172, 275869, 294476, 326027, 351106, 401264, 462748, 496496, 498344, 551738, 588952, 652054, 702212, 809809, 925496, 996688, 1103476, 1177904, 1304108, 1404424, 1619618, 1850992, 1931083, 2206952, 2282189, 2608216, 2808848, 3239236, 3586297, 3862166, 4413904, 4564378, 5216432, 6478472, 7172594, 7724332, 9128756, 12956944, 14345188, 15448664, 18257512, 25104079, 28690376, 30897328, 36515024, 50208158, 57380752, 100416316, 200832632, 401665264]

約数ペア:

[(1, 401665264), (2, 200832632), (4, 100416316), (7, 57380752), (8, 50208158), (11, 36515024), (13, 30897328), (14, 28690376), (16, 25104079), (22, 18257512), (26, 15448664), (28, 14345188), (31, 12956944), (44, 9128756), (52, 7724332), (56, 7172594), (62, 6478472), (77, 5216432), (88, 4564378), (91, 4413904), (104, 3862166), (112, 3586297), (124, 3239236), (143, 2808848), (154, 2608216), (176, 2282189), (182, 2206952), (208, 1931083), (217, 1850992), (248, 1619618), (286, 1404424), (308, 1304108), (341, 1177904), (364, 1103476), (403, 996688), (434, 925496), (496, 809809), (572, 702212), (616, 652054), (682, 588952), (728, 551738), (806, 498344), (809, 496496), (868, 462748), (1001, 401264), (1144, 351106), (1232, 326027), (1364, 294476), (1456, 275869), (1612, 249172), (1618, 248248), (1736, 231374), (2002, 200632), (2288, 175553), (2387, 168272), (2728, 147238), (2821, 142384), (3224, 124586), (3236, 124124), (3472, 115687), (4004, 100316), (4433, 90608), (4774, 84136), (5456, 73619), (5642, 71192), (5663, 70928), (6448, 62293), (6472, 62062), (8008, 50158), (8866, 45304), (8899, 45136), (9548, 42068), (10517, 38192), (11284, 35596), (11326, 35464), (12944, 31031), (16016, 25079), (17732, 22652), (17798, 22568), (19096, 21034)]