201855115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 314772480

約数和(自身を除く): 112917365

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 89, 137, 215, 301, 385, 445, 473, 623, 685, 959, 979, 1505, 1507, 2365, 3115, 3311, 3827, 4795, 4895, 5891, 6853, 7535, 10549, 12193, 16555, 19135, 26789, 29455, 34265, 41237, 42097, 52745, 60965, 64801, 85351, 133945, 134123, 206185, 210485, 294679, 324005, 426755, 453607, 524299, 670615, 938861, 1473395, 2268035, 2621495, 3670093, 4694305, 5767289, 18350465, 28836445, 40371023, 201855115]

約数ペア:

[(1, 201855115), (5, 40371023), (7, 28836445), (11, 18350465), (35, 5767289), (43, 4694305), (55, 3670093), (77, 2621495), (89, 2268035), (137, 1473395), (215, 938861), (301, 670615), (385, 524299), (445, 453607), (473, 426755), (623, 324005), (685, 294679), (959, 210485), (979, 206185), (1505, 134123), (1507, 133945), (2365, 85351), (3115, 64801), (3311, 60965), (3827, 52745), (4795, 42097), (4895, 41237), (5891, 34265), (6853, 29455), (7535, 26789), (10549, 19135), (12193, 16555)]