398219224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 837758880

約数和(自身を除く): 439539656

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 61, 82, 104, 122, 164, 244, 328, 488, 533, 793, 1066, 1531, 1586, 2132, 2501, 3062, 3172, 4264, 5002, 6124, 6344, 10004, 12248, 19903, 20008, 32513, 39806, 62771, 65026, 79612, 93391, 125542, 130052, 159224, 186782, 251084, 260104, 373564, 502168, 747128, 816023, 1214083, 1632046, 2428166, 3264092, 3829031, 4856332, 6528184, 7658062, 9712664, 15316124, 30632248, 49777403, 99554806, 199109612, 398219224]

約数ペア:

[(1, 398219224), (2, 199109612), (4, 99554806), (8, 49777403), (13, 30632248), (26, 15316124), (41, 9712664), (52, 7658062), (61, 6528184), (82, 4856332), (104, 3829031), (122, 3264092), (164, 2428166), (244, 1632046), (328, 1214083), (488, 816023), (533, 747128), (793, 502168), (1066, 373564), (1531, 260104), (1586, 251084), (2132, 186782), (2501, 159224), (3062, 130052), (3172, 125542), (4264, 93391), (5002, 79612), (6124, 65026), (6344, 62771), (10004, 39806), (12248, 32513), (19903, 20008)]