311940062

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 580608000

約数和(自身を除く): 268667938

約数列:

[1, 2, 7, 14, 19, 38, 71, 83, 133, 142, 166, 199, 266, 398, 497, 581, 994, 1162, 1349, 1393, 1577, 2698, 2786, 3154, 3781, 5893, 7562, 9443, 11039, 11786, 14129, 16517, 18886, 22078, 26467, 28258, 33034, 41251, 52934, 82502, 98903, 111967, 115619, 197806, 223934, 231238, 268451, 313823, 536902, 627646, 783769, 1172707, 1567538, 1879157, 2196761, 2345414, 3758314, 4393522, 8208949, 16417898, 22281433, 44562866, 155970031, 311940062]

約数ペア:

[(1, 311940062), (2, 155970031), (7, 44562866), (14, 22281433), (19, 16417898), (38, 8208949), (71, 4393522), (83, 3758314), (133, 2345414), (142, 2196761), (166, 1879157), (199, 1567538), (266, 1172707), (398, 783769), (497, 627646), (581, 536902), (994, 313823), (1162, 268451), (1349, 231238), (1393, 223934), (1577, 197806), (2698, 115619), (2786, 111967), (3154, 98903), (3781, 82502), (5893, 52934), (7562, 41251), (9443, 33034), (11039, 28258), (11786, 26467), (14129, 22078), (16517, 18886)]