28435290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72911}}^1$

素因数の和:72934

約数の個数: 32

約数和(自身を含む): 73495296

約数和(自身を除く): 45060006

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72911, 145822, 218733, 364555, 437466, 729110, 947843, 1093665, 1895686, 2187330, 2843529, 4739215, 5687058, 9478430, 14217645, 28435290]

約数ペア:

[(1, 28435290), (2, 14217645), (3, 9478430), (5, 5687058), (6, 4739215), (10, 2843529), (13, 2187330), (15, 1895686), (26, 1093665), (30, 947843), (39, 729110), (65, 437466), (78, 364555), (130, 218733), (195, 145822), (390, 72911)]