1991361848

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{450127}}^1$

素因数の和:450219

約数の個数: 32

約数和(自身を含む): 4321228800

約数和(自身を除く): 2329866952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 450127, 900254, 1800508, 3150889, 3601016, 6301778, 12603556, 25207112, 35560033, 71120066, 142240132, 248920231, 284480264, 497840462, 995680924, 1991361848]

約数ペア:

[(1, 1991361848), (2, 995680924), (4, 497840462), (7, 284480264), (8, 248920231), (14, 142240132), (28, 71120066), (56, 35560033), (79, 25207112), (158, 12603556), (316, 6301778), (553, 3601016), (632, 3150889), (1106, 1800508), (2212, 900254), (4424, 450127)]