84126890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 153964800

約数和(自身を除く): 69837910

約数列:

[1, 2, 5, 10, 131, 149, 262, 298, 431, 655, 745, 862, 1310, 1490, 2155, 4310, 19519, 39038, 56461, 64219, 97595, 112922, 128438, 195190, 282305, 321095, 564610, 642190, 8412689, 16825378, 42063445, 84126890]

約数ペア:

[(1, 84126890), (2, 42063445), (5, 16825378), (10, 8412689), (131, 642190), (149, 564610), (262, 321095), (298, 282305), (431, 195190), (655, 128438), (745, 112922), (862, 97595), (1310, 64219), (1490, 56461), (2155, 39038), (4310, 19519)]