637167348

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2287}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 1649007360

約数和(自身を除く): 1011840012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 109, 142, 213, 218, 284, 327, 426, 436, 639, 654, 852, 981, 1278, 1308, 1962, 2287, 2556, 3924, 4574, 6861, 7739, 9148, 13722, 15478, 20583, 23217, 27444, 30956, 41166, 46434, 69651, 82332, 92868, 139302, 162377, 249283, 278604, 324754, 487131, 498566, 649508, 747849, 974262, 997132, 1461393, 1495698, 1948524, 2243547, 2922786, 2991396, 4487094, 5845572, 8974188, 17699093, 35398186, 53097279, 70796372, 106194558, 159291837, 212389116, 318583674, 637167348]

約数ペア:

[(1, 637167348), (2, 318583674), (3, 212389116), (4, 159291837), (6, 106194558), (9, 70796372), (12, 53097279), (18, 35398186), (36, 17699093), (71, 8974188), (109, 5845572), (142, 4487094), (213, 2991396), (218, 2922786), (284, 2243547), (327, 1948524), (426, 1495698), (436, 1461393), (639, 997132), (654, 974262), (852, 747849), (981, 649508), (1278, 498566), (1308, 487131), (1962, 324754), (2287, 278604), (2556, 249283), (3924, 162377), (4574, 139302), (6861, 92868), (7739, 82332), (9148, 69651), (13722, 46434), (15478, 41166), (20583, 30956), (23217, 27444)]