2154988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4523904

約数和(自身を除く): 2368916

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 67, 68, 86, 134, 172, 187, 268, 374, 473, 731, 737, 748, 946, 1139, 1462, 1474, 1892, 2278, 2881, 2924, 2948, 4556, 5762, 8041, 11524, 12529, 16082, 25058, 31691, 32164, 48977, 50116, 63382, 97954, 126764, 195908, 538747, 1077494, 2154988]

約数ペア:

[(1, 2154988), (2, 1077494), (4, 538747), (11, 195908), (17, 126764), (22, 97954), (34, 63382), (43, 50116), (44, 48977), (67, 32164), (68, 31691), (86, 25058), (134, 16082), (172, 12529), (187, 11524), (268, 8041), (374, 5762), (473, 4556), (731, 2948), (737, 2924), (748, 2881), (946, 2278), (1139, 1892), (1462, 1474)]