207218332

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{143503}}^1$

素因数の和:143545

約数の個数: 18

約数和(自身を含む): 382725168

約数和(自身を除く): 175506836

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 143503, 287006, 574012, 2726557, 5453114, 10906228, 51804583, 103609166, 207218332]

約数ペア:

[(1, 207218332), (2, 103609166), (4, 51804583), (19, 10906228), (38, 5453114), (76, 2726557), (361, 574012), (722, 287006), (1444, 143503)]