720172216

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{27793}}^1$

素因数の和:27919

約数の個数: 32

約数和(自身を含む): 1400817600

約数和(自身を除く): 680645384

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 632, 3239, 6478, 12956, 25912, 27793, 55586, 111172, 222344, 1139513, 2195647, 2279026, 4391294, 4558052, 8782588, 9116104, 17565176, 90021527, 180043054, 360086108, 720172216]

約数ペア:

[(1, 720172216), (2, 360086108), (4, 180043054), (8, 90021527), (41, 17565176), (79, 9116104), (82, 8782588), (158, 4558052), (164, 4391294), (316, 2279026), (328, 2195647), (632, 1139513), (3239, 222344), (6478, 111172), (12956, 55586), (25912, 27793)]