77518987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 99348480

約数和(自身を除く): 21829493

約数列:

[1, 7, 13, 41, 79, 91, 263, 287, 533, 553, 1027, 1841, 3239, 3419, 3731, 7189, 10783, 20777, 22673, 23933, 42107, 75481, 140179, 145439, 270101, 294749, 851857, 981253, 1890707, 5962999, 11074141, 77518987]

約数ペア:

[(1, 77518987), (7, 11074141), (13, 5962999), (41, 1890707), (79, 981253), (91, 851857), (263, 294749), (287, 270101), (533, 145439), (553, 140179), (1027, 75481), (1841, 42107), (3239, 23933), (3419, 22673), (3731, 20777), (7189, 10783)]