26563615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 36630720

約数和(自身を除く): 10067105

約数列:

[1, 5, 13, 19, 65, 95, 137, 157, 247, 685, 785, 1235, 1781, 2041, 2603, 2983, 8905, 10205, 13015, 14915, 21509, 33839, 38779, 107545, 169195, 193895, 279617, 408671, 1398085, 2043355, 5312723, 26563615]

約数ペア:

[(1, 26563615), (5, 5312723), (13, 2043355), (19, 1398085), (65, 408671), (95, 279617), (137, 193895), (157, 169195), (247, 107545), (685, 38779), (785, 33839), (1235, 21509), (1781, 14915), (2041, 13015), (2603, 10205), (2983, 8905)]