389261496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 1080555840

約数和(自身を除く): 691294344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 113, 122, 156, 181, 183, 226, 244, 312, 339, 362, 366, 452, 488, 543, 678, 724, 732, 793, 904, 1086, 1356, 1448, 1464, 1469, 1586, 2172, 2353, 2379, 2712, 2938, 3172, 4344, 4407, 4706, 4758, 5876, 6344, 6893, 7059, 8814, 9412, 9516, 11041, 11752, 13786, 14118, 17628, 18824, 19032, 20453, 20679, 22082, 27572, 28236, 33123, 35256, 40906, 41358, 44164, 55144, 56472, 61359, 66246, 81812, 82716, 88328, 89609, 122718, 132492, 143533, 163624, 165432, 179218, 245436, 264984, 265889, 268827, 287066, 358436, 430599, 490872, 531778, 537654, 574132, 716872, 797667, 861198, 1063556, 1075308, 1148264, 1247633, 1595334, 1722396, 2127112, 2150616, 2495266, 3190668, 3444792, 3742899, 4990532, 6381336, 7485798, 9981064, 14971596, 16219229, 29943192, 32438458, 48657687, 64876916, 97315374, 129753832, 194630748, 389261496]

約数ペア:

[(1, 389261496), (2, 194630748), (3, 129753832), (4, 97315374), (6, 64876916), (8, 48657687), (12, 32438458), (13, 29943192), (24, 16219229), (26, 14971596), (39, 9981064), (52, 7485798), (61, 6381336), (78, 4990532), (104, 3742899), (113, 3444792), (122, 3190668), (156, 2495266), (181, 2150616), (183, 2127112), (226, 1722396), (244, 1595334), (312, 1247633), (339, 1148264), (362, 1075308), (366, 1063556), (452, 861198), (488, 797667), (543, 716872), (678, 574132), (724, 537654), (732, 531778), (793, 490872), (904, 430599), (1086, 358436), (1356, 287066), (1448, 268827), (1464, 265889), (1469, 264984), (1586, 245436), (2172, 179218), (2353, 165432), (2379, 163624), (2712, 143533), (2938, 132492), (3172, 122718), (4344, 89609), (4407, 88328), (4706, 82716), (4758, 81812), (5876, 66246), (6344, 61359), (6893, 56472), (7059, 55144), (8814, 44164), (9412, 41358), (9516, 40906), (11041, 35256), (11752, 33123), (13786, 28236), (14118, 27572), (17628, 22082), (18824, 20679), (19032, 20453)]