66572428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 135224320

約数和(自身を除く): 68651892

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1567, 1634, 2236, 3134, 3268, 6268, 10621, 20371, 21242, 29773, 40742, 42484, 59546, 67381, 81484, 119092, 134762, 269524, 387049, 774098, 875953, 1280239, 1548196, 1751906, 2560478, 3503812, 5120956, 16643107, 33286214, 66572428]

約数ペア:

[(1, 66572428), (2, 33286214), (4, 16643107), (13, 5120956), (19, 3503812), (26, 2560478), (38, 1751906), (43, 1548196), (52, 1280239), (76, 875953), (86, 774098), (172, 387049), (247, 269524), (494, 134762), (559, 119092), (817, 81484), (988, 67381), (1118, 59546), (1567, 42484), (1634, 40742), (2236, 29773), (3134, 21242), (3268, 20371), (6268, 10621)]