90758390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2137}}^1$

素因数の和:2312

約数の個数: 32

約数和(自身を含む): 169945344

約数和(自身を除く): 79186954

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 685, 1370, 2137, 4247, 4274, 8494, 10685, 21235, 21370, 42470, 66247, 132494, 292769, 331235, 585538, 662470, 1463845, 2927690, 9075839, 18151678, 45379195, 90758390]

約数ペア:

[(1, 90758390), (2, 45379195), (5, 18151678), (10, 9075839), (31, 2927690), (62, 1463845), (137, 662470), (155, 585538), (274, 331235), (310, 292769), (685, 132494), (1370, 66247), (2137, 42470), (4247, 21370), (4274, 21235), (8494, 10685)]