643801366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{4783}}^1$

素因数の和:4996

約数の個数: 32

約数和(自身を含む): 1080188928

約数和(自身を除く): 436387562

約数列:

[1, 2, 13, 26, 31, 62, 167, 334, 403, 806, 2171, 4342, 4783, 5177, 9566, 10354, 62179, 67301, 124358, 134602, 148273, 296546, 798761, 1597522, 1927549, 3855098, 10383893, 20767786, 24761591, 49523182, 321900683, 643801366]

約数ペア:

[(1, 643801366), (2, 321900683), (13, 49523182), (26, 24761591), (31, 20767786), (62, 10383893), (167, 3855098), (334, 1927549), (403, 1597522), (806, 798761), (2171, 296546), (4342, 148273), (4783, 134602), (5177, 124358), (9566, 67301), (10354, 62179)]