402318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 1038336

約数和(自身を除く): 636018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 103, 126, 186, 206, 217, 279, 309, 434, 558, 618, 651, 721, 927, 1302, 1442, 1854, 1953, 2163, 3193, 3906, 4326, 6386, 6489, 9579, 12978, 19158, 22351, 28737, 44702, 57474, 67053, 134106, 201159, 402318]

約数ペア:

[(1, 402318), (2, 201159), (3, 134106), (6, 67053), (7, 57474), (9, 44702), (14, 28737), (18, 22351), (21, 19158), (31, 12978), (42, 9579), (62, 6489), (63, 6386), (93, 4326), (103, 3906), (126, 3193), (186, 2163), (206, 1953), (217, 1854), (279, 1442), (309, 1302), (434, 927), (558, 721), (618, 651)]