85831870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 167878656

約数和(自身を除く): 82046786

約数列:

[1, 2, 5, 10, 31, 43, 47, 62, 86, 94, 137, 155, 215, 235, 274, 310, 430, 470, 685, 1333, 1370, 1457, 2021, 2666, 2914, 4042, 4247, 5891, 6439, 6665, 7285, 8494, 10105, 11782, 12878, 13330, 14570, 20210, 21235, 29455, 32195, 42470, 58910, 62651, 64390, 125302, 182621, 199609, 276877, 313255, 365242, 399218, 553754, 626510, 913105, 998045, 1384385, 1826210, 1996090, 2768770, 8583187, 17166374, 42915935, 85831870]

約数ペア:

[(1, 85831870), (2, 42915935), (5, 17166374), (10, 8583187), (31, 2768770), (43, 1996090), (47, 1826210), (62, 1384385), (86, 998045), (94, 913105), (137, 626510), (155, 553754), (215, 399218), (235, 365242), (274, 313255), (310, 276877), (430, 199609), (470, 182621), (685, 125302), (1333, 64390), (1370, 62651), (1457, 58910), (2021, 42470), (2666, 32195), (2914, 29455), (4042, 21235), (4247, 20210), (5891, 14570), (6439, 13330), (6665, 12878), (7285, 11782), (8494, 10105)]