220897746

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 506995200

約数和(自身を除く): 286097454

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 79, 106, 158, 159, 237, 318, 474, 477, 711, 954, 977, 1422, 1431, 1954, 2133, 2862, 2931, 4187, 4266, 5862, 8374, 8793, 12561, 17586, 25122, 26379, 37683, 51781, 52758, 75366, 77183, 103562, 113049, 154366, 155343, 226098, 231549, 310686, 463098, 466029, 694647, 932058, 1389294, 1398087, 2083941, 2796174, 4090699, 4167882, 8181398, 12272097, 24544194, 36816291, 73632582, 110448873, 220897746]

約数ペア:

[(1, 220897746), (2, 110448873), (3, 73632582), (6, 36816291), (9, 24544194), (18, 12272097), (27, 8181398), (53, 4167882), (54, 4090699), (79, 2796174), (106, 2083941), (158, 1398087), (159, 1389294), (237, 932058), (318, 694647), (474, 466029), (477, 463098), (711, 310686), (954, 231549), (977, 226098), (1422, 155343), (1431, 154366), (1954, 113049), (2133, 103562), (2862, 77183), (2931, 75366), (4187, 52758), (4266, 51781), (5862, 37683), (8374, 26379), (8793, 25122), (12561, 17586)]