201870655

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4111}}^1$

素因数の和:4207

約数の個数: 32

約数和(自身を含む): 293695488

約数和(自身を除く): 91824833

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 2135, 4111, 7015, 9821, 20555, 28777, 49105, 94553, 143885, 250771, 472765, 661871, 1253855, 1755397, 3309355, 5767733, 8776985, 28838665, 40374131, 201870655]

約数ペア:

[(1, 201870655), (5, 40374131), (7, 28838665), (23, 8776985), (35, 5767733), (61, 3309355), (115, 1755397), (161, 1253855), (305, 661871), (427, 472765), (805, 250771), (1403, 143885), (2135, 94553), (4111, 49105), (7015, 28777), (9821, 20555)]