31380370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14461}}^1$

素因数の和:14506

約数の個数: 32

約数和(自身を含む): 66640896

約数和(自身を除く): 35260526

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 14461, 28922, 72305, 101227, 144610, 202454, 448291, 506135, 896582, 1012270, 2241455, 3138037, 4482910, 6276074, 15690185, 31380370]

約数ペア:

[(1, 31380370), (2, 15690185), (5, 6276074), (7, 4482910), (10, 3138037), (14, 2241455), (31, 1012270), (35, 896582), (62, 506135), (70, 448291), (155, 202454), (217, 144610), (310, 101227), (434, 72305), (1085, 28922), (2170, 14461)]