578214728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25621}}^1$

素因数の和:25678

約数の個数: 64

約数和(自身を含む): 1377438720

約数和(自身を除く): 799223992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 22568, 25621, 51242, 102484, 179347, 204968, 333073, 358694, 666146, 717388, 794251, 1332292, 1434776, 1588502, 2331511, 2664584, 3177004, 4663022, 5559757, 6354008, 9326044, 10325263, 11119514, 18652088, 20650526, 22239028, 41301052, 44478056, 72276841, 82602104, 144553682, 289107364, 578214728]

約数ペア:

[(1, 578214728), (2, 289107364), (4, 144553682), (7, 82602104), (8, 72276841), (13, 44478056), (14, 41301052), (26, 22239028), (28, 20650526), (31, 18652088), (52, 11119514), (56, 10325263), (62, 9326044), (91, 6354008), (104, 5559757), (124, 4663022), (182, 3177004), (217, 2664584), (248, 2331511), (364, 1588502), (403, 1434776), (434, 1332292), (728, 794251), (806, 717388), (868, 666146), (1612, 358694), (1736, 333073), (2821, 204968), (3224, 179347), (5642, 102484), (11284, 51242), (22568, 25621)]