216320910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{554669}}^1$

素因数の和:554692

約数の個数: 32

約数和(自身を含む): 559107360

約数和(自身を除く): 342786450

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 554669, 1109338, 1664007, 2773345, 3328014, 5546690, 7210697, 8320035, 14421394, 16640070, 21632091, 36053485, 43264182, 72106970, 108160455, 216320910]

約数ペア:

[(1, 216320910), (2, 108160455), (3, 72106970), (5, 43264182), (6, 36053485), (10, 21632091), (13, 16640070), (15, 14421394), (26, 8320035), (30, 7210697), (39, 5546690), (65, 3328014), (78, 2773345), (130, 1664007), (195, 1109338), (390, 554669)]