81258452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 159371520

約数和(自身を除く): 78113068

約数列:

[1, 2, 4, 11, 22, 44, 79, 97, 158, 194, 241, 316, 388, 482, 869, 964, 1067, 1738, 2134, 2651, 3476, 4268, 5302, 7663, 10604, 15326, 19039, 23377, 30652, 38078, 46754, 76156, 84293, 93508, 168586, 209429, 257147, 337172, 418858, 514294, 837716, 1028588, 1846783, 3693566, 7387132, 20314613, 40629226, 81258452]

約数ペア:

[(1, 81258452), (2, 40629226), (4, 20314613), (11, 7387132), (22, 3693566), (44, 1846783), (79, 1028588), (97, 837716), (158, 514294), (194, 418858), (241, 337172), (316, 257147), (388, 209429), (482, 168586), (869, 93508), (964, 84293), (1067, 76156), (1738, 46754), (2134, 38078), (2651, 30652), (3476, 23377), (4268, 19039), (5302, 15326), (7663, 10604)]