31131472

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 61996032

約数和(自身を除く): 30864560

約数列:

[1, 2, 4, 8, 16, 61, 122, 167, 191, 244, 334, 382, 488, 668, 764, 976, 1336, 1528, 2672, 3056, 10187, 11651, 20374, 23302, 31897, 40748, 46604, 63794, 81496, 93208, 127588, 162992, 186416, 255176, 510352, 1945717, 3891434, 7782868, 15565736, 31131472]

約数ペア:

[(1, 31131472), (2, 15565736), (4, 7782868), (8, 3891434), (16, 1945717), (61, 510352), (122, 255176), (167, 186416), (191, 162992), (244, 127588), (334, 93208), (382, 81496), (488, 63794), (668, 46604), (764, 40748), (976, 31897), (1336, 23302), (1528, 20374), (2672, 11651), (3056, 10187)]