401236472

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 998645760

約数和(自身を除く): 597409288

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 161, 182, 184, 217, 248, 299, 322, 364, 403, 434, 598, 644, 713, 728, 773, 806, 868, 1196, 1288, 1426, 1546, 1612, 1736, 2093, 2392, 2821, 2852, 3092, 3224, 4186, 4991, 5411, 5642, 5704, 6184, 8372, 9269, 9982, 10049, 10822, 11284, 16744, 17779, 18538, 19964, 20098, 21644, 22568, 23963, 35558, 37076, 39928, 40196, 43288, 47926, 64883, 70343, 71116, 74152, 80392, 95852, 124453, 129766, 140686, 142232, 167741, 191704, 231127, 248906, 259532, 281372, 311519, 335482, 462254, 497812, 519064, 551149, 562744, 623038, 670964, 924508, 995624, 1102298, 1246076, 1341928, 1617889, 1849016, 2180633, 2204596, 2492152, 3235778, 3858043, 4361266, 4409192, 6471556, 7164937, 7716086, 8722532, 12943112, 14329874, 15432172, 17445064, 28659748, 30864344, 50154559, 57319496, 100309118, 200618236, 401236472]

約数ペア:

[(1, 401236472), (2, 200618236), (4, 100309118), (7, 57319496), (8, 50154559), (13, 30864344), (14, 28659748), (23, 17445064), (26, 15432172), (28, 14329874), (31, 12943112), (46, 8722532), (52, 7716086), (56, 7164937), (62, 6471556), (91, 4409192), (92, 4361266), (104, 3858043), (124, 3235778), (161, 2492152), (182, 2204596), (184, 2180633), (217, 1849016), (248, 1617889), (299, 1341928), (322, 1246076), (364, 1102298), (403, 995624), (434, 924508), (598, 670964), (644, 623038), (713, 562744), (728, 551149), (773, 519064), (806, 497812), (868, 462254), (1196, 335482), (1288, 311519), (1426, 281372), (1546, 259532), (1612, 248906), (1736, 231127), (2093, 191704), (2392, 167741), (2821, 142232), (2852, 140686), (3092, 129766), (3224, 124453), (4186, 95852), (4991, 80392), (5411, 74152), (5642, 71116), (5704, 70343), (6184, 64883), (8372, 47926), (9269, 43288), (9982, 40196), (10049, 39928), (10822, 37076), (11284, 35558), (16744, 23963), (17779, 22568), (18538, 21644), (19964, 20098)]