81345030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208577}}^1$

素因数の和:208600

約数の個数: 32

約数和(自身を含む): 210246624

約数和(自身を除く): 128901594

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208577, 417154, 625731, 1042885, 1251462, 2085770, 2711501, 3128655, 5423002, 6257310, 8134503, 13557505, 16269006, 27115010, 40672515, 81345030]

約数ペア:

[(1, 81345030), (2, 40672515), (3, 27115010), (5, 16269006), (6, 13557505), (10, 8134503), (13, 6257310), (15, 5423002), (26, 3128655), (30, 2711501), (39, 2085770), (65, 1251462), (78, 1042885), (130, 625731), (195, 417154), (390, 208577)]