651508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 1439424

約数和(自身を除く): 787916

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 67, 68, 134, 143, 187, 221, 268, 286, 374, 442, 572, 737, 748, 871, 884, 1139, 1474, 1742, 2278, 2431, 2948, 3484, 4556, 4862, 9581, 9724, 12529, 14807, 19162, 25058, 29614, 38324, 50116, 59228, 162877, 325754, 651508]

約数ペア:

[(1, 651508), (2, 325754), (4, 162877), (11, 59228), (13, 50116), (17, 38324), (22, 29614), (26, 25058), (34, 19162), (44, 14807), (52, 12529), (67, 9724), (68, 9581), (134, 4862), (143, 4556), (187, 3484), (221, 2948), (268, 2431), (286, 2278), (374, 1742), (442, 1474), (572, 1139), (737, 884), (748, 871)]