256680528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411347}}^1$

素因数の和:411371

約数の個数: 40

約数和(自身を含む): 714100128

約数和(自身を除く): 457419600

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 411347, 822694, 1234041, 1645388, 2468082, 3290776, 4936164, 5347511, 6581552, 9872328, 10695022, 16042533, 19744656, 21390044, 32085066, 42780088, 64170132, 85560176, 128340264, 256680528]

約数ペア:

[(1, 256680528), (2, 128340264), (3, 85560176), (4, 64170132), (6, 42780088), (8, 32085066), (12, 21390044), (13, 19744656), (16, 16042533), (24, 10695022), (26, 9872328), (39, 6581552), (48, 5347511), (52, 4936164), (78, 3290776), (104, 2468082), (156, 1645388), (208, 1234041), (312, 822694), (624, 411347)]