290390074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{587}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 480090240

約数和(自身を除く): 189700166

約数列:

[1, 2, 13, 26, 53, 106, 359, 587, 689, 718, 1174, 1378, 4667, 7631, 9334, 15262, 19027, 31111, 38054, 62222, 210733, 247351, 404443, 421466, 494702, 808886, 2739529, 5479058, 11168849, 22337698, 145195037, 290390074]

約数ペア:

[(1, 290390074), (2, 145195037), (13, 22337698), (26, 11168849), (53, 5479058), (106, 2739529), (359, 808886), (587, 494702), (689, 421466), (718, 404443), (1174, 247351), (1378, 210733), (4667, 62222), (7631, 38054), (9334, 31111), (15262, 19027)]