28277718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 68539392

約数和(自身を除く): 40261674

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 73, 138, 146, 161, 219, 322, 401, 438, 483, 511, 802, 966, 1022, 1203, 1533, 1679, 2406, 2807, 3066, 3358, 5037, 5614, 8421, 9223, 10074, 11753, 16842, 18446, 23506, 27669, 29273, 35259, 55338, 58546, 64561, 70518, 87819, 129122, 175638, 193683, 204911, 387366, 409822, 614733, 673279, 1229466, 1346558, 2019837, 4039674, 4712953, 9425906, 14138859, 28277718]

約数ペア:

[(1, 28277718), (2, 14138859), (3, 9425906), (6, 4712953), (7, 4039674), (14, 2019837), (21, 1346558), (23, 1229466), (42, 673279), (46, 614733), (69, 409822), (73, 387366), (138, 204911), (146, 193683), (161, 175638), (219, 129122), (322, 87819), (401, 70518), (438, 64561), (483, 58546), (511, 55338), (802, 35259), (966, 29273), (1022, 27669), (1203, 23506), (1533, 18446), (1679, 16842), (2406, 11753), (2807, 10074), (3066, 9223), (3358, 8421), (5037, 5614)]