28969278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5231}}^1$

素因数の和:5320

約数の個数: 32

約数和(自身を含む): 63286272

約数和(自身を除く): 34316994

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5231, 5538, 10462, 15693, 31386, 68003, 136006, 204009, 371401, 408018, 742802, 1114203, 2228406, 4828213, 9656426, 14484639, 28969278]

約数ペア:

[(1, 28969278), (2, 14484639), (3, 9656426), (6, 4828213), (13, 2228406), (26, 1114203), (39, 742802), (71, 408018), (78, 371401), (142, 204009), (213, 136006), (426, 68003), (923, 31386), (1846, 15693), (2769, 10462), (5231, 5538)]