81931696

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 200844288

約数和(自身を除く): 118912592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 73, 77, 88, 112, 146, 154, 176, 292, 308, 511, 584, 616, 803, 911, 1022, 1168, 1232, 1606, 1822, 2044, 3212, 3644, 4088, 5621, 6377, 6424, 7288, 8176, 10021, 11242, 12754, 12848, 14576, 20042, 22484, 25508, 40084, 44968, 51016, 66503, 70147, 80168, 89936, 102032, 133006, 140294, 160336, 266012, 280588, 465521, 532024, 561176, 731533, 931042, 1064048, 1122352, 1463066, 1862084, 2926132, 3724168, 5120731, 5852264, 7448336, 10241462, 11704528, 20482924, 40965848, 81931696]

約数ペア:

[(1, 81931696), (2, 40965848), (4, 20482924), (7, 11704528), (8, 10241462), (11, 7448336), (14, 5852264), (16, 5120731), (22, 3724168), (28, 2926132), (44, 1862084), (56, 1463066), (73, 1122352), (77, 1064048), (88, 931042), (112, 731533), (146, 561176), (154, 532024), (176, 465521), (292, 280588), (308, 266012), (511, 160336), (584, 140294), (616, 133006), (803, 102032), (911, 89936), (1022, 80168), (1168, 70147), (1232, 66503), (1606, 51016), (1822, 44968), (2044, 40084), (3212, 25508), (3644, 22484), (4088, 20042), (5621, 14576), (6377, 12848), (6424, 12754), (7288, 11242), (8176, 10021)]