221043095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^2$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 355461792

約数和(自身を除く): 134418697

約数列:

[1, 5, 7, 13, 17, 35, 41, 65, 85, 91, 119, 205, 221, 287, 289, 455, 533, 595, 697, 1105, 1435, 1445, 1547, 1681, 2023, 2665, 3485, 3731, 3757, 4879, 7735, 8405, 9061, 10115, 11767, 11849, 18655, 18785, 21853, 24395, 26299, 28577, 45305, 58835, 59245, 63427, 82943, 109265, 131495, 142885, 152971, 154037, 200039, 317135, 371501, 414715, 485809, 764855, 770185, 1000195, 1078259, 1857505, 2429045, 2600507, 3400663, 5391295, 6315517, 13002535, 17003315, 31577585, 44208619, 221043095]

約数ペア:

[(1, 221043095), (5, 44208619), (7, 31577585), (13, 17003315), (17, 13002535), (35, 6315517), (41, 5391295), (65, 3400663), (85, 2600507), (91, 2429045), (119, 1857505), (205, 1078259), (221, 1000195), (287, 770185), (289, 764855), (455, 485809), (533, 414715), (595, 371501), (697, 317135), (1105, 200039), (1435, 154037), (1445, 152971), (1547, 142885), (1681, 131495), (2023, 109265), (2665, 82943), (3485, 63427), (3731, 59245), (3757, 58835), (4879, 45305), (7735, 28577), (8405, 26299), (9061, 24395), (10115, 21853), (11767, 18785), (11849, 18655)]