31520890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 60508944

約数和(自身を除く): 28988054

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1181, 1570, 2362, 2669, 5338, 5905, 11810, 13345, 20077, 26690, 40154, 100385, 185417, 200770, 370834, 927085, 1854170, 3152089, 6304178, 15760445, 31520890]

約数ペア:

[(1, 31520890), (2, 15760445), (5, 6304178), (10, 3152089), (17, 1854170), (34, 927085), (85, 370834), (157, 200770), (170, 185417), (314, 100385), (785, 40154), (1181, 26690), (1570, 20077), (2362, 13345), (2669, 11810), (5338, 5905)]