81938032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 184809600

約数和(自身を除く): 102871568

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 107, 152, 176, 209, 214, 229, 304, 418, 428, 458, 836, 856, 916, 1177, 1672, 1712, 1832, 2033, 2354, 2519, 3344, 3664, 4066, 4351, 4708, 5038, 8132, 8702, 9416, 10076, 16264, 17404, 18832, 20152, 22363, 24503, 32528, 34808, 40304, 44726, 47861, 49006, 69616, 89452, 95722, 98012, 178904, 191444, 196024, 269533, 357808, 382888, 392048, 465557, 539066, 765776, 931114, 1078132, 1862228, 2156264, 3724456, 4312528, 5121127, 7448912, 10242254, 20484508, 40969016, 81938032]

約数ペア:

[(1, 81938032), (2, 40969016), (4, 20484508), (8, 10242254), (11, 7448912), (16, 5121127), (19, 4312528), (22, 3724456), (38, 2156264), (44, 1862228), (76, 1078132), (88, 931114), (107, 765776), (152, 539066), (176, 465557), (209, 392048), (214, 382888), (229, 357808), (304, 269533), (418, 196024), (428, 191444), (458, 178904), (836, 98012), (856, 95722), (916, 89452), (1177, 69616), (1672, 49006), (1712, 47861), (1832, 44726), (2033, 40304), (2354, 34808), (2519, 32528), (3344, 24503), (3664, 22363), (4066, 20152), (4351, 18832), (4708, 17404), (5038, 16264), (8132, 10076), (8702, 9416)]