253512610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{12421}}^1$

素因数の和:12598

約数の個数: 32

約数和(自身を含む): 494594352

約数和(自身を除く): 241081742

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 12421, 20410, 24842, 62105, 124210, 161473, 322946, 807365, 1614730, 1950097, 3900194, 9750485, 19500970, 25351261, 50702522, 126756305, 253512610]

約数ペア:

[(1, 253512610), (2, 126756305), (5, 50702522), (10, 25351261), (13, 19500970), (26, 9750485), (65, 3900194), (130, 1950097), (157, 1614730), (314, 807365), (785, 322946), (1570, 161473), (2041, 124210), (4082, 62105), (10205, 24842), (12421, 20410)]