218691858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{829}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 546923520

約数和(自身を除く): 328231662

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 571, 829, 1142, 1658, 1713, 2487, 3426, 3997, 4974, 5803, 6281, 7994, 9119, 11606, 11991, 12562, 17409, 18238, 18843, 23982, 27357, 34818, 37686, 43967, 54714, 63833, 87934, 127666, 131901, 191499, 263802, 382998, 473359, 946718, 1420077, 2840154, 3313513, 5206949, 6627026, 9940539, 10413898, 15620847, 19881078, 31241694, 36448643, 72897286, 109345929, 218691858]

約数ペア:

[(1, 218691858), (2, 109345929), (3, 72897286), (6, 36448643), (7, 31241694), (11, 19881078), (14, 15620847), (21, 10413898), (22, 9940539), (33, 6627026), (42, 5206949), (66, 3313513), (77, 2840154), (154, 1420077), (231, 946718), (462, 473359), (571, 382998), (829, 263802), (1142, 191499), (1658, 131901), (1713, 127666), (2487, 87934), (3426, 63833), (3997, 54714), (4974, 43967), (5803, 37686), (6281, 34818), (7994, 27357), (9119, 23982), (11606, 18843), (11991, 18238), (12562, 17409)]