661948

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 1354752

約数和(自身を除く): 692804

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 503, 658, 1006, 1316, 2012, 3521, 7042, 14084, 23641, 47282, 94564, 165487, 330974, 661948]

約数ペア:

[(1, 661948), (2, 330974), (4, 165487), (7, 94564), (14, 47282), (28, 23641), (47, 14084), (94, 7042), (188, 3521), (329, 2012), (503, 1316), (658, 1006)]