856163945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{383}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 1347010560

約数和(自身を除く): 490846615

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 289, 383, 455, 595, 1105, 1445, 1547, 1915, 2023, 2681, 3757, 4913, 4979, 6511, 7735, 10115, 13405, 18785, 24565, 24895, 26299, 32555, 34391, 34853, 45577, 63869, 84643, 110687, 131495, 171955, 174265, 227885, 319345, 423215, 447083, 553435, 592501, 774809, 1438931, 1881679, 2235415, 2962505, 3874045, 7194655, 9408395, 10072517, 13171753, 24461827, 50362585, 65858765, 122309135, 171232789, 856163945]

約数ペア:

[(1, 856163945), (5, 171232789), (7, 122309135), (13, 65858765), (17, 50362585), (35, 24461827), (65, 13171753), (85, 10072517), (91, 9408395), (119, 7194655), (221, 3874045), (289, 2962505), (383, 2235415), (455, 1881679), (595, 1438931), (1105, 774809), (1445, 592501), (1547, 553435), (1915, 447083), (2023, 423215), (2681, 319345), (3757, 227885), (4913, 174265), (4979, 171955), (6511, 131495), (7735, 110687), (10115, 84643), (13405, 63869), (18785, 45577), (24565, 34853), (24895, 34391), (26299, 32555)]