1388572856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{5477}}^1$

素因数の和:5604

約数の個数: 64

約数和(自身を含む): 2950231680

約数和(自身を除く): 1561658824

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 67, 86, 88, 134, 172, 268, 344, 473, 536, 737, 946, 1474, 1892, 2881, 2948, 3784, 5477, 5762, 5896, 10954, 11524, 21908, 23048, 31691, 43816, 60247, 63382, 120494, 126764, 235511, 240988, 253528, 366959, 471022, 481976, 733918, 942044, 1467836, 1884088, 2590621, 2935672, 4036549, 5181242, 8073098, 10362484, 15779237, 16146196, 20724968, 31558474, 32292392, 63116948, 126233896, 173571607, 347143214, 694286428, 1388572856]

約数ペア:

[(1, 1388572856), (2, 694286428), (4, 347143214), (8, 173571607), (11, 126233896), (22, 63116948), (43, 32292392), (44, 31558474), (67, 20724968), (86, 16146196), (88, 15779237), (134, 10362484), (172, 8073098), (268, 5181242), (344, 4036549), (473, 2935672), (536, 2590621), (737, 1884088), (946, 1467836), (1474, 942044), (1892, 733918), (2881, 481976), (2948, 471022), (3784, 366959), (5477, 253528), (5762, 240988), (5896, 235511), (10954, 126764), (11524, 120494), (21908, 63382), (23048, 60247), (31691, 43816)]