80878568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1291}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 156280320

約数和(自身を除く): 75401752

約数列:

[1, 2, 4, 8, 41, 82, 164, 191, 328, 382, 764, 1291, 1528, 2582, 5164, 7831, 10328, 15662, 31324, 52931, 62648, 105862, 211724, 246581, 423448, 493162, 986324, 1972648, 10109821, 20219642, 40439284, 80878568]

約数ペア:

[(1, 80878568), (2, 40439284), (4, 20219642), (8, 10109821), (41, 1972648), (82, 986324), (164, 493162), (191, 423448), (328, 246581), (382, 211724), (764, 105862), (1291, 62648), (1528, 52931), (2582, 31324), (5164, 15662), (7831, 10328)]