218362459

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 269660160

約数和(自身を除く): 51297701

約数列:

[1, 7, 19, 83, 131, 133, 151, 581, 917, 1057, 1577, 2489, 2869, 10873, 11039, 12533, 17423, 19781, 20083, 76111, 87731, 138467, 206587, 238127, 375839, 1446109, 1641823, 1666889, 2630873, 11492761, 31194637, 218362459]

約数ペア:

[(1, 218362459), (7, 31194637), (19, 11492761), (83, 2630873), (131, 1666889), (133, 1641823), (151, 1446109), (581, 375839), (917, 238127), (1057, 206587), (1577, 138467), (2489, 87731), (2869, 76111), (10873, 20083), (11039, 19781), (12533, 17423)]