251138342

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{22621}}^1$

素因数の和:22704

約数の個数: 32

約数和(自身を含む): 471261504

約数和(自身を除く): 220123162

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 5551, 11102, 22621, 45242, 158347, 294073, 316694, 588146, 1379881, 2058511, 2759762, 4117022, 9659167, 17938453, 19318334, 35876906, 125569171, 251138342]

約数ペア:

[(1, 251138342), (2, 125569171), (7, 35876906), (13, 19318334), (14, 17938453), (26, 9659167), (61, 4117022), (91, 2759762), (122, 2058511), (182, 1379881), (427, 588146), (793, 316694), (854, 294073), (1586, 158347), (5551, 45242), (11102, 22621)]