31876130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22291}}^1$

素因数の和:22322

約数の個数: 32

約数和(自身を含む): 67411008

約数和(自身を除く): 35534878

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 22291, 44582, 111455, 222910, 245201, 289783, 490402, 579566, 1226005, 1448915, 2452010, 2897830, 3187613, 6375226, 15938065, 31876130]

約数ペア:

[(1, 31876130), (2, 15938065), (5, 6375226), (10, 3187613), (11, 2897830), (13, 2452010), (22, 1448915), (26, 1226005), (55, 579566), (65, 490402), (110, 289783), (130, 245201), (143, 222910), (286, 111455), (715, 44582), (1430, 22291)]