80851498

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 159344640

約数和(自身を除く): 78493142

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 103, 133, 182, 206, 227, 247, 266, 454, 494, 721, 1339, 1442, 1589, 1729, 1957, 2678, 2951, 3178, 3458, 3914, 4313, 5902, 8626, 9373, 13699, 18746, 20657, 23381, 25441, 27398, 30191, 41314, 46762, 50882, 56069, 60382, 112138, 163667, 178087, 303953, 327334, 356174, 392483, 444239, 607906, 784966, 888478, 2127671, 3109673, 4255342, 5775107, 6219346, 11550214, 40425749, 80851498]

約数ペア:

[(1, 80851498), (2, 40425749), (7, 11550214), (13, 6219346), (14, 5775107), (19, 4255342), (26, 3109673), (38, 2127671), (91, 888478), (103, 784966), (133, 607906), (182, 444239), (206, 392483), (227, 356174), (247, 327334), (266, 303953), (454, 178087), (494, 163667), (721, 112138), (1339, 60382), (1442, 56069), (1589, 50882), (1729, 46762), (1957, 41314), (2678, 30191), (2951, 27398), (3178, 25441), (3458, 23381), (3914, 20657), (4313, 18746), (5902, 13699), (8626, 9373)]