68256645

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 115852800

約数和(自身を除く): 47596155

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 1723, 2085, 2641, 5169, 7923, 8615, 13205, 25845, 32737, 39615, 98211, 163685, 239497, 491055, 718491, 1197485, 3592455, 4550443, 13651329, 22752215, 68256645]

約数ペア:

[(1, 68256645), (3, 22752215), (5, 13651329), (15, 4550443), (19, 3592455), (57, 1197485), (95, 718491), (139, 491055), (285, 239497), (417, 163685), (695, 98211), (1723, 39615), (2085, 32737), (2641, 25845), (5169, 13205), (7923, 8615)]