208667095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 333123840

約数和(自身を除く): 124456745

約数列:

[1, 5, 7, 13, 17, 35, 53, 65, 85, 91, 119, 221, 265, 371, 455, 509, 595, 689, 901, 1105, 1547, 1855, 2545, 3445, 3563, 4505, 4823, 6307, 6617, 7735, 8653, 11713, 17815, 24115, 26977, 31535, 33085, 43265, 46319, 58565, 60571, 81991, 112489, 134885, 188839, 231595, 302855, 350701, 409955, 458609, 562445, 787423, 944195, 1753505, 2293045, 2454907, 3210263, 3937115, 5961917, 12274535, 16051315, 29809585, 41733419, 208667095]

約数ペア:

[(1, 208667095), (5, 41733419), (7, 29809585), (13, 16051315), (17, 12274535), (35, 5961917), (53, 3937115), (65, 3210263), (85, 2454907), (91, 2293045), (119, 1753505), (221, 944195), (265, 787423), (371, 562445), (455, 458609), (509, 409955), (595, 350701), (689, 302855), (901, 231595), (1105, 188839), (1547, 134885), (1855, 112489), (2545, 81991), (3445, 60571), (3563, 58565), (4505, 46319), (4823, 43265), (6307, 33085), (6617, 31535), (7735, 26977), (8653, 24115), (11713, 17815)]