858468715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 1126742400

約数和(自身を除く): 268273685

約数列:

[1, 5, 13, 65, 137, 149, 647, 685, 745, 1781, 1937, 3235, 8411, 8905, 9685, 20413, 42055, 88639, 96403, 102065, 265369, 443195, 482015, 1152307, 1253239, 1326845, 5761535, 6266195, 13207211, 66036055, 171693743, 858468715]

約数ペア:

[(1, 858468715), (5, 171693743), (13, 66036055), (65, 13207211), (137, 6266195), (149, 5761535), (647, 1326845), (685, 1253239), (745, 1152307), (1781, 482015), (1937, 443195), (3235, 265369), (8411, 102065), (8905, 96403), (9685, 88639), (20413, 42055)]