251988412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{255049}}^1$

素因数の和:255085

約数の個数: 24

約数和(自身を含む): 499898000

約数和(自身を除く): 247909588

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 255049, 510098, 1020196, 3315637, 4845931, 6631274, 9691862, 13262548, 19383724, 62997103, 125994206, 251988412]

約数ペア:

[(1, 251988412), (2, 125994206), (4, 62997103), (13, 19383724), (19, 13262548), (26, 9691862), (38, 6631274), (52, 4845931), (76, 3315637), (247, 1020196), (494, 510098), (988, 255049)]