1387628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 2770656

約数和(自身を除く): 1383028

約数列:

[1, 2, 4, 11, 22, 44, 47, 61, 94, 121, 122, 188, 242, 244, 484, 517, 671, 1034, 1342, 2068, 2684, 2867, 5687, 5734, 7381, 11374, 11468, 14762, 22748, 29524, 31537, 63074, 126148, 346907, 693814, 1387628]

約数ペア:

[(1, 1387628), (2, 693814), (4, 346907), (11, 126148), (22, 63074), (44, 31537), (47, 29524), (61, 22748), (94, 14762), (121, 11468), (122, 11374), (188, 7381), (242, 5734), (244, 5687), (484, 2867), (517, 2684), (671, 2068), (1034, 1342)]