55972990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 103654080

約数和(自身を除く): 47681090

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 1031, 2062, 5155, 5429, 10310, 10858, 27145, 54290, 62891, 91759, 125782, 183518, 314455, 458795, 628910, 917590, 5597299, 11194598, 27986495, 55972990]

約数ペア:

[(1, 55972990), (2, 27986495), (5, 11194598), (10, 5597299), (61, 917590), (89, 628910), (122, 458795), (178, 314455), (305, 183518), (445, 125782), (610, 91759), (890, 62891), (1031, 54290), (2062, 27145), (5155, 10858), (5429, 10310)]