2489988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 6245120

約数和(自身を除く): 3755132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 67, 76, 114, 134, 163, 201, 228, 268, 326, 402, 489, 652, 804, 978, 1273, 1956, 2546, 3097, 3819, 5092, 6194, 7638, 9291, 10921, 12388, 15276, 18582, 21842, 32763, 37164, 43684, 65526, 131052, 207499, 414998, 622497, 829996, 1244994, 2489988]

約数ペア:

[(1, 2489988), (2, 1244994), (3, 829996), (4, 622497), (6, 414998), (12, 207499), (19, 131052), (38, 65526), (57, 43684), (67, 37164), (76, 32763), (114, 21842), (134, 18582), (163, 15276), (201, 12388), (228, 10921), (268, 9291), (326, 7638), (402, 6194), (489, 5092), (652, 3819), (804, 3097), (978, 2546), (1273, 1956)]