201287905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 321366528

約数和(自身を除く): 120078623

約数列:

[1, 5, 7, 13, 17, 35, 53, 65, 85, 91, 119, 221, 265, 371, 455, 491, 595, 689, 901, 1105, 1547, 1855, 2455, 3437, 3445, 4505, 4823, 6307, 6383, 7735, 8347, 11713, 17185, 24115, 26023, 31535, 31915, 41735, 44681, 58429, 58565, 81991, 108511, 130115, 182161, 223405, 292145, 338299, 409955, 442391, 542555, 759577, 910805, 1691495, 2211955, 2368093, 3096737, 3797885, 5751083, 11840465, 15483685, 28755415, 40257581, 201287905]

約数ペア:

[(1, 201287905), (5, 40257581), (7, 28755415), (13, 15483685), (17, 11840465), (35, 5751083), (53, 3797885), (65, 3096737), (85, 2368093), (91, 2211955), (119, 1691495), (221, 910805), (265, 759577), (371, 542555), (455, 442391), (491, 409955), (595, 338299), (689, 292145), (901, 223405), (1105, 182161), (1547, 130115), (1855, 108511), (2455, 81991), (3437, 58565), (3445, 58429), (4505, 44681), (4823, 41735), (6307, 31915), (6383, 31535), (7735, 26023), (8347, 24115), (11713, 17185)]