218638358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 352447200

約数和(自身を除く): 133808842

約数列:

[1, 2, 19, 38, 73, 146, 269, 293, 538, 586, 1387, 2774, 5111, 5567, 10222, 11134, 19637, 21389, 39274, 42778, 78817, 157634, 373103, 406391, 746206, 812782, 1497523, 2995046, 5753641, 11507282, 109319179, 218638358]

約数ペア:

[(1, 218638358), (2, 109319179), (19, 11507282), (38, 5753641), (73, 2995046), (146, 1497523), (269, 812782), (293, 746206), (538, 406391), (586, 373103), (1387, 157634), (2774, 78817), (5111, 42778), (5567, 39274), (10222, 21389), (11134, 19637)]