81406115

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 125411328

約数和(自身を除く): 44005213

約数列:

[1, 5, 7, 17, 35, 41, 47, 71, 85, 119, 205, 235, 287, 329, 355, 497, 595, 697, 799, 1207, 1435, 1645, 1927, 2485, 2911, 3337, 3485, 3995, 4879, 5593, 6035, 8449, 9635, 13489, 14555, 16685, 20377, 23359, 24395, 27965, 32759, 42245, 49487, 56729, 67445, 101885, 116795, 136817, 163795, 229313, 247435, 283645, 346409, 397103, 684085, 957719, 1146565, 1732045, 1985515, 2325889, 4788595, 11629445, 16281223, 81406115]

約数ペア:

[(1, 81406115), (5, 16281223), (7, 11629445), (17, 4788595), (35, 2325889), (41, 1985515), (47, 1732045), (71, 1146565), (85, 957719), (119, 684085), (205, 397103), (235, 346409), (287, 283645), (329, 247435), (355, 229313), (497, 163795), (595, 136817), (697, 116795), (799, 101885), (1207, 67445), (1435, 56729), (1645, 49487), (1927, 42245), (2485, 32759), (2911, 27965), (3337, 24395), (3485, 23359), (3995, 20377), (4879, 16685), (5593, 14555), (6035, 13489), (8449, 9635)]