77881228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1483}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 143769920

約数和(自身を除く): 65888692

約数列:

[1, 2, 4, 19, 38, 76, 691, 1382, 1483, 2764, 2966, 5932, 13129, 26258, 28177, 52516, 56354, 112708, 1024753, 2049506, 4099012, 19470307, 38940614, 77881228]

約数ペア:

[(1, 77881228), (2, 38940614), (4, 19470307), (19, 4099012), (38, 2049506), (76, 1024753), (691, 112708), (1382, 56354), (1483, 52516), (2764, 28177), (2966, 26258), (5932, 13129)]