78781976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108217}}^1$

素因数の和:108243

約数の個数: 32

約数和(自身を含む): 181806240

約数和(自身を除く): 103024264

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 108217, 216434, 432868, 757519, 865736, 1406821, 1515038, 2813642, 3030076, 5627284, 6060152, 9847747, 11254568, 19695494, 39390988, 78781976]

約数ペア:

[(1, 78781976), (2, 39390988), (4, 19695494), (7, 11254568), (8, 9847747), (13, 6060152), (14, 5627284), (26, 3030076), (28, 2813642), (52, 1515038), (56, 1406821), (91, 865736), (104, 757519), (182, 432868), (364, 216434), (728, 108217)]