290236427

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 342921600

約数和(自身を除く): 52685173

約数列:

[1, 13, 17, 53, 71, 221, 349, 689, 901, 923, 1207, 3763, 4537, 5933, 11713, 15691, 18497, 24779, 48919, 63971, 77129, 240461, 314449, 322127, 421243, 831623, 1313287, 4087837, 5476159, 17072731, 22325879, 290236427]

約数ペア:

[(1, 290236427), (13, 22325879), (17, 17072731), (53, 5476159), (71, 4087837), (221, 1313287), (349, 831623), (689, 421243), (901, 322127), (923, 314449), (1207, 240461), (3763, 77129), (4537, 63971), (5933, 48919), (11713, 24779), (15691, 18497)]