256745180735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{479}}^1\times {\mathrm{11071}}^1$

素因数の和:11999

約数の個数: 32

約数和(自身を含む): 322955182080

約数和(自身を除く): 66210001345

約数列:

[1, 5, 23, 115, 421, 479, 2105, 2395, 9683, 11017, 11071, 48415, 55085, 55355, 201659, 254633, 1008295, 1273165, 4638157, 4660891, 5303009, 23190785, 23304455, 26515045, 107200493, 121969207, 536002465, 609846035, 2232566789, 11162833945, 51349036147, 256745180735]

約数ペア:

[(1, 256745180735), (5, 51349036147), (23, 11162833945), (115, 2232566789), (421, 609846035), (479, 536002465), (2105, 121969207), (2395, 107200493), (9683, 26515045), (11017, 23304455), (11071, 23190785), (48415, 5303009), (55085, 4660891), (55355, 4638157), (201659, 1273165), (254633, 1008295)]