31780712

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 60808320

約数和(自身を除く): 29027608

約数列:

[1, 2, 4, 8, 107, 137, 214, 271, 274, 428, 542, 548, 856, 1084, 1096, 2168, 14659, 28997, 29318, 37127, 57994, 58636, 74254, 115988, 117272, 148508, 231976, 297016, 3972589, 7945178, 15890356, 31780712]

約数ペア:

[(1, 31780712), (2, 15890356), (4, 7945178), (8, 3972589), (107, 297016), (137, 231976), (214, 148508), (271, 117272), (274, 115988), (428, 74254), (542, 58636), (548, 57994), (856, 37127), (1084, 29318), (1096, 28997), (2168, 14659)]