71981398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 116531712

約数和(自身を除く): 44550314

約数列:

[1, 2, 23, 43, 46, 86, 151, 241, 302, 482, 989, 1978, 3473, 5543, 6493, 6946, 10363, 11086, 12986, 20726, 36391, 72782, 149339, 238349, 298678, 476698, 836993, 1564813, 1673986, 3129626, 35990699, 71981398]

約数ペア:

[(1, 71981398), (2, 35990699), (23, 3129626), (43, 1673986), (46, 1564813), (86, 836993), (151, 476698), (241, 298678), (302, 238349), (482, 149339), (989, 72782), (1978, 36391), (3473, 20726), (5543, 12986), (6493, 11086), (6946, 10363)]