691897128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{16187}}^1$

素因数の和:16346

約数の個数: 64

約数和(自身を含む): 1876512960

約数和(自身を除く): 1184615832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 548, 822, 1096, 1644, 1781, 3288, 3562, 5343, 7124, 10686, 14248, 16187, 21372, 32374, 42744, 48561, 64748, 97122, 129496, 194244, 210431, 388488, 420862, 631293, 841724, 1262586, 1683448, 2217619, 2525172, 4435238, 5050344, 6652857, 8870476, 13305714, 17740952, 26611428, 28829047, 53222856, 57658094, 86487141, 115316188, 172974282, 230632376, 345948564, 691897128]

約数ペア:

[(1, 691897128), (2, 345948564), (3, 230632376), (4, 172974282), (6, 115316188), (8, 86487141), (12, 57658094), (13, 53222856), (24, 28829047), (26, 26611428), (39, 17740952), (52, 13305714), (78, 8870476), (104, 6652857), (137, 5050344), (156, 4435238), (274, 2525172), (312, 2217619), (411, 1683448), (548, 1262586), (822, 841724), (1096, 631293), (1644, 420862), (1781, 388488), (3288, 210431), (3562, 194244), (5343, 129496), (7124, 97122), (10686, 64748), (14248, 48561), (16187, 42744), (21372, 32374)]