15878668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 31328640

約数和(自身を除く): 15449972

約数列:

[1, 2, 4, 13, 26, 47, 52, 73, 89, 94, 146, 178, 188, 292, 356, 611, 949, 1157, 1222, 1898, 2314, 2444, 3431, 3796, 4183, 4628, 6497, 6862, 8366, 12994, 13724, 16732, 25988, 44603, 54379, 84461, 89206, 108758, 168922, 178412, 217516, 305359, 337844, 610718, 1221436, 3969667, 7939334, 15878668]

約数ペア:

[(1, 15878668), (2, 7939334), (4, 3969667), (13, 1221436), (26, 610718), (47, 337844), (52, 305359), (73, 217516), (89, 178412), (94, 168922), (146, 108758), (178, 89206), (188, 84461), (292, 54379), (356, 44603), (611, 25988), (949, 16732), (1157, 13724), (1222, 12994), (1898, 8366), (2314, 6862), (2444, 6497), (3431, 4628), (3796, 4183)]