28690376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36628024

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 809, 1144, 1364, 1612, 1618, 2728, 3224, 3236, 4433, 6472, 8866, 8899, 10517, 17732, 17798, 21034, 25079, 35464, 35596, 42068, 50158, 71192, 84136, 100316, 115687, 200632, 231374, 275869, 326027, 462748, 551738, 652054, 925496, 1103476, 1304108, 2206952, 2608216, 3586297, 7172594, 14345188, 28690376]

約数ペア:

[(1, 28690376), (2, 14345188), (4, 7172594), (8, 3586297), (11, 2608216), (13, 2206952), (22, 1304108), (26, 1103476), (31, 925496), (44, 652054), (52, 551738), (62, 462748), (88, 326027), (104, 275869), (124, 231374), (143, 200632), (248, 115687), (286, 100316), (341, 84136), (403, 71192), (572, 50158), (682, 42068), (806, 35596), (809, 35464), (1144, 25079), (1364, 21034), (1612, 17798), (1618, 17732), (2728, 10517), (3224, 8899), (3236, 8866), (4433, 6472)]