837820945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 1188794880

約数和(自身を除く): 350973935

約数列:

[1, 5, 13, 17, 59, 65, 71, 85, 181, 221, 295, 355, 767, 905, 923, 1003, 1105, 1207, 2353, 3077, 3835, 4189, 4615, 5015, 6035, 10679, 11765, 12851, 13039, 15385, 15691, 20945, 40001, 53395, 54457, 64255, 65195, 71213, 78455, 138827, 167063, 181543, 200005, 218467, 272285, 356065, 694135, 758209, 835315, 907715, 925769, 1092335, 2360059, 2840071, 3791045, 4628845, 9856717, 11800295, 12889553, 14200355, 49283585, 64447765, 167564189, 837820945]

約数ペア:

[(1, 837820945), (5, 167564189), (13, 64447765), (17, 49283585), (59, 14200355), (65, 12889553), (71, 11800295), (85, 9856717), (181, 4628845), (221, 3791045), (295, 2840071), (355, 2360059), (767, 1092335), (905, 925769), (923, 907715), (1003, 835315), (1105, 758209), (1207, 694135), (2353, 356065), (3077, 272285), (3835, 218467), (4189, 200005), (4615, 181543), (5015, 167063), (6035, 138827), (10679, 78455), (11765, 71213), (12851, 65195), (13039, 64255), (15385, 54457), (15691, 53395), (20945, 40001)]