641504188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{119773}}^1$

素因数の和:119893

約数の個数: 24

約数和(自身を含む): 1220736608

約数和(自身を除く): 579232420

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 119773, 239546, 479092, 1557049, 3114098, 6228196, 12336619, 24673238, 49346476, 160376047, 320752094, 641504188]

約数ペア:

[(1, 641504188), (2, 320752094), (4, 160376047), (13, 49346476), (26, 24673238), (52, 12336619), (103, 6228196), (206, 3114098), (412, 1557049), (1339, 479092), (2678, 239546), (5356, 119773)]