65021515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 94475808

約数和(自身を除く): 29454293

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 163, 221, 247, 323, 361, 815, 1105, 1235, 1615, 1805, 2119, 2771, 3097, 4199, 4693, 6137, 10595, 13855, 15485, 20995, 23465, 30685, 36023, 40261, 52649, 58843, 79781, 180115, 201305, 263245, 294215, 398905, 684437, 764959, 1000331, 3422185, 3824795, 5001655, 13004303, 65021515]

約数ペア:

[(1, 65021515), (5, 13004303), (13, 5001655), (17, 3824795), (19, 3422185), (65, 1000331), (85, 764959), (95, 684437), (163, 398905), (221, 294215), (247, 263245), (323, 201305), (361, 180115), (815, 79781), (1105, 58843), (1235, 52649), (1615, 40261), (1805, 36023), (2119, 30685), (2771, 23465), (3097, 20995), (4199, 15485), (4693, 13855), (6137, 10595)]