31006690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21683}}^1$

素因数の和:21714

約数の個数: 32

約数和(自身を含む): 65572416

約数和(自身を除く): 34565726

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21683, 43366, 108415, 216830, 238513, 281879, 477026, 563758, 1192565, 1409395, 2385130, 2818790, 3100669, 6201338, 15503345, 31006690]

約数ペア:

[(1, 31006690), (2, 15503345), (5, 6201338), (10, 3100669), (11, 2818790), (13, 2385130), (22, 1409395), (26, 1192565), (55, 563758), (65, 477026), (110, 281879), (130, 238513), (143, 216830), (286, 108415), (715, 43366), (1430, 21683)]