66145570

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 55160030

約数列:

[1, 2, 5, 10, 103, 149, 206, 298, 431, 515, 745, 862, 1030, 1490, 2155, 4310, 15347, 30694, 44393, 64219, 76735, 88786, 128438, 153470, 221965, 321095, 443930, 642190, 6614557, 13229114, 33072785, 66145570]

約数ペア:

[(1, 66145570), (2, 33072785), (5, 13229114), (10, 6614557), (103, 642190), (149, 443930), (206, 321095), (298, 221965), (431, 153470), (515, 128438), (745, 88786), (862, 76735), (1030, 64219), (1490, 44393), (2155, 30694), (4310, 15347)]