15978430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6508

約数の個数: 32

約数和(自身を含む): 32608800

約数和(自身を除く): 16630370

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 6469, 12938, 32345, 64690, 84097, 122911, 168194, 245822, 420485, 614555, 840970, 1229110, 1597843, 3195686, 7989215, 15978430]

約数ペア:

[(1, 15978430), (2, 7989215), (5, 3195686), (10, 1597843), (13, 1229110), (19, 840970), (26, 614555), (38, 420485), (65, 245822), (95, 168194), (130, 122911), (190, 84097), (247, 64690), (494, 32345), (1235, 12938), (2470, 6469)]