51221388

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 122895360

約数和(自身を除く): 71673972

約数列:

[1, 2, 3, 4, 6, 12, 71, 79, 142, 158, 213, 237, 284, 316, 426, 474, 761, 852, 948, 1522, 2283, 3044, 4566, 5609, 9132, 11218, 16827, 22436, 33654, 54031, 60119, 67308, 108062, 120238, 162093, 180357, 216124, 240476, 324186, 360714, 648372, 721428, 4268449, 8536898, 12805347, 17073796, 25610694, 51221388]

約数ペア:

[(1, 51221388), (2, 25610694), (3, 17073796), (4, 12805347), (6, 8536898), (12, 4268449), (71, 721428), (79, 648372), (142, 360714), (158, 324186), (213, 240476), (237, 216124), (284, 180357), (316, 162093), (426, 120238), (474, 108062), (761, 67308), (852, 60119), (948, 54031), (1522, 33654), (2283, 22436), (3044, 16827), (4566, 11218), (5609, 9132)]