81803176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 189907200

約数和(自身を除く): 108104024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 313, 359, 364, 626, 718, 728, 1252, 1436, 2191, 2504, 2513, 2872, 4069, 4382, 4667, 5026, 8138, 8764, 9334, 10052, 16276, 17528, 18668, 20104, 28483, 32552, 32669, 37336, 56966, 65338, 112367, 113932, 130676, 224734, 227864, 261352, 449468, 786569, 898936, 1460771, 1573138, 2921542, 3146276, 5843084, 6292552, 10225397, 11686168, 20450794, 40901588, 81803176]

約数ペア:

[(1, 81803176), (2, 40901588), (4, 20450794), (7, 11686168), (8, 10225397), (13, 6292552), (14, 5843084), (26, 3146276), (28, 2921542), (52, 1573138), (56, 1460771), (91, 898936), (104, 786569), (182, 449468), (313, 261352), (359, 227864), (364, 224734), (626, 130676), (718, 113932), (728, 112367), (1252, 65338), (1436, 56966), (2191, 37336), (2504, 32669), (2513, 32552), (2872, 28483), (4069, 20104), (4382, 18668), (4667, 17528), (5026, 16276), (8138, 10052), (8764, 9334)]