291245488196

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{430836521}}^1$

素因数の和:430836551

約数の個数: 18

約数和(自身を含む): 551901584682

約数和(自身を除く): 260656096486

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 430836521, 861673042, 1723346084, 5600874773, 11201749546, 22403499092, 72811372049, 145622744098, 291245488196]

約数ペア:

[(1, 291245488196), (2, 145622744098), (4, 72811372049), (13, 22403499092), (26, 11201749546), (52, 5600874773), (169, 1723346084), (338, 861673042), (676, 430836521)]