12871835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 17487360

約数和(自身を除く): 4615525

約数列:

[1, 5, 19, 23, 43, 95, 115, 137, 215, 437, 685, 817, 989, 2185, 2603, 3151, 4085, 4945, 5891, 13015, 15755, 18791, 29455, 59869, 93955, 111929, 135493, 299345, 559645, 677465, 2574367, 12871835]

約数ペア:

[(1, 12871835), (5, 2574367), (19, 677465), (23, 559645), (43, 299345), (95, 135493), (115, 111929), (137, 93955), (215, 59869), (437, 29455), (685, 18791), (817, 15755), (989, 13015), (2185, 5891), (2603, 4945), (3151, 4085)]