491034978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{17959}}^1$

素因数の和:18012

約数の個数: 72

約数和(自身を含む): 1277602560

約数和(自身を除く): 786567582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 882, 1302, 1519, 1953, 3038, 3906, 4557, 9114, 13671, 17959, 27342, 35918, 53877, 107754, 125713, 161631, 251426, 323262, 377139, 556729, 754278, 879991, 1113458, 1131417, 1670187, 1759982, 2262834, 2639973, 3340374, 3897103, 5010561, 5279946, 7794206, 7919919, 10021122, 11691309, 15839838, 23382618, 27279721, 35073927, 54559442, 70147854, 81839163, 163678326, 245517489, 491034978]

約数ペア:

[(1, 491034978), (2, 245517489), (3, 163678326), (6, 81839163), (7, 70147854), (9, 54559442), (14, 35073927), (18, 27279721), (21, 23382618), (31, 15839838), (42, 11691309), (49, 10021122), (62, 7919919), (63, 7794206), (93, 5279946), (98, 5010561), (126, 3897103), (147, 3340374), (186, 2639973), (217, 2262834), (279, 1759982), (294, 1670187), (434, 1131417), (441, 1113458), (558, 879991), (651, 754278), (882, 556729), (1302, 377139), (1519, 323262), (1953, 251426), (3038, 161631), (3906, 125713), (4557, 107754), (9114, 53877), (13671, 35918), (17959, 27342)]