69889810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 130927104

約数和(自身を除く): 61037294

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 1721, 3442, 4061, 8122, 8605, 17210, 20305, 40610, 53351, 106702, 225451, 266755, 450902, 533510, 1127255, 2254510, 6988981, 13977962, 34944905, 69889810]

約数ペア:

[(1, 69889810), (2, 34944905), (5, 13977962), (10, 6988981), (31, 2254510), (62, 1127255), (131, 533510), (155, 450902), (262, 266755), (310, 225451), (655, 106702), (1310, 53351), (1721, 40610), (3442, 20305), (4061, 17210), (8122, 8605)]