311661623

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 397243392

約数和(自身を除く): 85581769

約数列:

[1, 7, 13, 41, 91, 103, 287, 533, 721, 811, 1339, 3731, 4223, 5677, 9373, 10543, 29561, 33251, 54899, 73801, 83533, 232757, 384293, 432263, 584731, 1085929, 3025841, 3424853, 7601503, 23973971, 44523089, 311661623]

約数ペア:

[(1, 311661623), (7, 44523089), (13, 23973971), (41, 7601503), (91, 3424853), (103, 3025841), (287, 1085929), (533, 584731), (721, 432263), (811, 384293), (1339, 232757), (3731, 83533), (4223, 73801), (5677, 54899), (9373, 33251), (10543, 29561)]