815568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1331

約数の個数: 40

約数和(自身を含む): 2270688

約数和(自身を除く): 1455120

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1307, 2614, 3921, 5228, 7842, 10456, 15684, 16991, 20912, 31368, 33982, 50973, 62736, 67964, 101946, 135928, 203892, 271856, 407784, 815568]

約数ペア:

[(1, 815568), (2, 407784), (3, 271856), (4, 203892), (6, 135928), (8, 101946), (12, 67964), (13, 62736), (16, 50973), (24, 33982), (26, 31368), (39, 20912), (48, 16991), (52, 15684), (78, 10456), (104, 7842), (156, 5228), (208, 3921), (312, 2614), (624, 1307)]