31530401

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 8159839

約数列:

[1, 7, 23, 37, 67, 79, 161, 259, 469, 553, 851, 1541, 1817, 2479, 2923, 5293, 5957, 10787, 12719, 17353, 20461, 37051, 57017, 67229, 121739, 195841, 399119, 470603, 852173, 1370887, 4504343, 31530401]

約数ペア:

[(1, 31530401), (7, 4504343), (23, 1370887), (37, 852173), (67, 470603), (79, 399119), (161, 195841), (259, 121739), (469, 67229), (553, 57017), (851, 37051), (1541, 20461), (1817, 17353), (2479, 12719), (2923, 10787), (5293, 5957)]