128534978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 230211072

約数和(自身を除く): 101676094

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 181, 191, 286, 338, 362, 382, 1859, 1991, 2101, 2353, 2483, 3718, 3982, 4202, 4706, 4966, 25883, 27313, 30589, 32279, 34571, 51766, 54626, 61178, 64558, 69142, 336479, 355069, 380281, 449423, 672958, 710138, 760562, 898846, 4943653, 5842499, 9887306, 11684998, 64267489, 128534978]

約数ペア:

[(1, 128534978), (2, 64267489), (11, 11684998), (13, 9887306), (22, 5842499), (26, 4943653), (143, 898846), (169, 760562), (181, 710138), (191, 672958), (286, 449423), (338, 380281), (362, 355069), (382, 336479), (1859, 69142), (1991, 64558), (2101, 61178), (2353, 54626), (2483, 51766), (3718, 34571), (3982, 32279), (4202, 30589), (4706, 27313), (4966, 25883)]