81972715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 111367872

約数和(自身を除く): 29395157

約数列:

[1, 5, 11, 53, 55, 61, 265, 305, 461, 583, 671, 2305, 2915, 3233, 3355, 5071, 16165, 24433, 25355, 28121, 35563, 122165, 140605, 177815, 268763, 309331, 1343815, 1490413, 1546655, 7452065, 16394543, 81972715]

約数ペア:

[(1, 81972715), (5, 16394543), (11, 7452065), (53, 1546655), (55, 1490413), (61, 1343815), (265, 309331), (305, 268763), (461, 177815), (583, 140605), (671, 122165), (2305, 35563), (2915, 28121), (3233, 25355), (3355, 24433), (5071, 16165)]