81919670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5393}}^1$

素因数の和:5445

約数の個数: 48

約数和(自身を含む): 177095808

約数和(自身を除く): 95176138

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1519, 2170, 3038, 5393, 7595, 10786, 15190, 26965, 37751, 53930, 75502, 167183, 188755, 264257, 334366, 377510, 528514, 835915, 1170281, 1321285, 1671830, 2340562, 2642570, 5851405, 8191967, 11702810, 16383934, 40959835, 81919670]

約数ペア:

[(1, 81919670), (2, 40959835), (5, 16383934), (7, 11702810), (10, 8191967), (14, 5851405), (31, 2642570), (35, 2340562), (49, 1671830), (62, 1321285), (70, 1170281), (98, 835915), (155, 528514), (217, 377510), (245, 334366), (310, 264257), (434, 188755), (490, 167183), (1085, 75502), (1519, 53930), (2170, 37751), (3038, 26965), (5393, 15190), (7595, 10786)]