87811990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{23669}}^1$

素因数の和:23736

約数の個数: 32

約数和(自身を含む): 184057920

約数和(自身を除く): 96245930

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 23669, 47338, 118345, 165683, 236690, 331366, 828415, 1254457, 1656830, 2508914, 6272285, 8781199, 12544570, 17562398, 43905995, 87811990]

約数ペア:

[(1, 87811990), (2, 43905995), (5, 17562398), (7, 12544570), (10, 8781199), (14, 6272285), (35, 2508914), (53, 1656830), (70, 1254457), (106, 828415), (265, 331366), (371, 236690), (530, 165683), (742, 118345), (1855, 47338), (3710, 23669)]