390894154

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{8861}}^1$

素因数の和:9030

約数の個数: 32

約数和(自身を含む): 704422656

約数和(自身を除く): 313528502

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 959, 1918, 3151, 6302, 8861, 17722, 22057, 44114, 62027, 124054, 203803, 407606, 1213957, 1426621, 2427914, 2853242, 8497699, 16995398, 27921011, 55842022, 195447077, 390894154]

約数ペア:

[(1, 390894154), (2, 195447077), (7, 55842022), (14, 27921011), (23, 16995398), (46, 8497699), (137, 2853242), (161, 2427914), (274, 1426621), (322, 1213957), (959, 407606), (1918, 203803), (3151, 124054), (6302, 62027), (8861, 44114), (17722, 22057)]