13291205538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2400001}}^1$

素因数の和:2400090

約数の個数: 32

約数和(自身を含む): 29030424192

約数和(自身を除く): 15739218654

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 2400001, 4800002, 7200003, 14400006, 31200013, 62400026, 93600039, 170400071, 187200078, 340800142, 511200213, 1022400426, 2215200923, 4430401846, 6645602769, 13291205538]

約数ペア:

[(1, 13291205538), (2, 6645602769), (3, 4430401846), (6, 2215200923), (13, 1022400426), (26, 511200213), (39, 340800142), (71, 187200078), (78, 170400071), (142, 93600039), (213, 62400026), (426, 31200013), (923, 14400006), (1846, 7200003), (2769, 4800002), (5538, 2400001)]