9788870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 22450176

約数和(自身を除く): 12661306

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 347, 403, 434, 455, 694, 806, 910, 1085, 1735, 2015, 2170, 2429, 2821, 3470, 4030, 4511, 4858, 5642, 9022, 10757, 12145, 14105, 21514, 22555, 24290, 28210, 31577, 45110, 53785, 63154, 75299, 107570, 139841, 150598, 157885, 279682, 315770, 376495, 699205, 752990, 978887, 1398410, 1957774, 4894435, 9788870]

約数ペア:

[(1, 9788870), (2, 4894435), (5, 1957774), (7, 1398410), (10, 978887), (13, 752990), (14, 699205), (26, 376495), (31, 315770), (35, 279682), (62, 157885), (65, 150598), (70, 139841), (91, 107570), (130, 75299), (155, 63154), (182, 53785), (217, 45110), (310, 31577), (347, 28210), (403, 24290), (434, 22555), (455, 21514), (694, 14105), (806, 12145), (910, 10757), (1085, 9022), (1735, 5642), (2015, 4858), (2170, 4511), (2429, 4030), (2821, 3470)]