1221436

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 2237760

約数和(自身を除く): 1016324

約数列:

[1, 2, 4, 47, 73, 89, 94, 146, 178, 188, 292, 356, 3431, 4183, 6497, 6862, 8366, 12994, 13724, 16732, 25988, 305359, 610718, 1221436]

約数ペア:

[(1, 1221436), (2, 610718), (4, 305359), (47, 25988), (73, 16732), (89, 13724), (94, 12994), (146, 8366), (178, 6862), (188, 6497), (292, 4183), (356, 3431)]