291216368

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{161071}}^1$

素因数の和:161192

約数の個数: 20

約数和(自身を含む): 569228448

約数和(自身を除く): 278012080

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 161071, 322142, 644284, 1288568, 2577136, 18201023, 36402046, 72804092, 145608184, 291216368]

約数ペア:

[(1, 291216368), (2, 145608184), (4, 72804092), (8, 36402046), (16, 18201023), (113, 2577136), (226, 1288568), (452, 644284), (904, 322142), (1808, 161071)]