31419311

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 10080337

約数列:

[1, 7, 11, 23, 77, 113, 157, 161, 253, 791, 1099, 1243, 1727, 1771, 2599, 3611, 8701, 12089, 17741, 18193, 25277, 28589, 39721, 124187, 195151, 200123, 278047, 408043, 1366057, 2856301, 4488473, 31419311]

約数ペア:

[(1, 31419311), (7, 4488473), (11, 2856301), (23, 1366057), (77, 408043), (113, 278047), (157, 200123), (161, 195151), (253, 124187), (791, 39721), (1099, 28589), (1243, 25277), (1727, 18193), (1771, 17741), (2599, 12089), (3611, 8701)]