3974672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 8421336

約数和(自身を除く): 4446664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 197, 208, 388, 394, 776, 788, 1261, 1552, 1576, 2522, 2561, 3152, 5044, 5122, 10088, 10244, 19109, 20176, 20488, 38218, 40976, 76436, 152872, 248417, 305744, 496834, 993668, 1987336, 3974672]

約数ペア:

[(1, 3974672), (2, 1987336), (4, 993668), (8, 496834), (13, 305744), (16, 248417), (26, 152872), (52, 76436), (97, 40976), (104, 38218), (194, 20488), (197, 20176), (208, 19109), (388, 10244), (394, 10088), (776, 5122), (788, 5044), (1261, 3152), (1552, 2561), (1576, 2522)]