220149976

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{1103}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 420955200

約数和(自身を除く): 200805224

約数列:

[1, 2, 4, 8, 61, 122, 244, 409, 488, 818, 1103, 1636, 2206, 3272, 4412, 8824, 24949, 49898, 67283, 99796, 134566, 199592, 269132, 451127, 538264, 902254, 1804508, 3609016, 27518747, 55037494, 110074988, 220149976]

約数ペア:

[(1, 220149976), (2, 110074988), (4, 55037494), (8, 27518747), (61, 3609016), (122, 1804508), (244, 902254), (409, 538264), (488, 451127), (818, 269132), (1103, 199592), (1636, 134566), (2206, 99796), (3272, 67283), (4412, 49898), (8824, 24949)]