7275385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 10200960

約数和(自身を除く): 2925575

約数列:

[1, 5, 13, 19, 43, 65, 95, 137, 215, 247, 559, 685, 817, 1235, 1781, 2603, 2795, 4085, 5891, 8905, 10621, 13015, 29455, 33839, 53105, 76583, 111929, 169195, 382915, 559645, 1455077, 7275385]

約数ペア:

[(1, 7275385), (5, 1455077), (13, 559645), (19, 382915), (43, 169195), (65, 111929), (95, 76583), (137, 53105), (215, 33839), (247, 29455), (559, 13015), (685, 10621), (817, 8905), (1235, 5891), (1781, 4085), (2603, 2795)]