257731656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6211}}^1$

素因数の和:6259

約数の個数: 128

約数和(自身を含む): 834892800

約数和(自身を除く): 577161144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 798, 988, 1064, 1092, 1482, 1596, 1729, 1976, 2184, 2964, 3192, 3458, 5187, 5928, 6211, 6916, 10374, 12422, 13832, 18633, 20748, 24844, 37266, 41496, 43477, 49688, 74532, 80743, 86954, 118009, 130431, 149064, 161486, 173908, 236018, 242229, 260862, 322972, 347816, 354027, 472036, 484458, 521724, 565201, 645944, 708054, 826063, 944072, 968916, 1043448, 1130402, 1416108, 1534117, 1652126, 1695603, 1937832, 2260804, 2478189, 2832216, 3068234, 3304252, 3391206, 4521608, 4602351, 4956378, 6136468, 6608504, 6782412, 9204702, 9912756, 10738819, 12272936, 13564824, 18409404, 19825512, 21477638, 32216457, 36818808, 42955276, 64432914, 85910552, 128865828, 257731656]

約数ペア:

[(1, 257731656), (2, 128865828), (3, 85910552), (4, 64432914), (6, 42955276), (7, 36818808), (8, 32216457), (12, 21477638), (13, 19825512), (14, 18409404), (19, 13564824), (21, 12272936), (24, 10738819), (26, 9912756), (28, 9204702), (38, 6782412), (39, 6608504), (42, 6136468), (52, 4956378), (56, 4602351), (57, 4521608), (76, 3391206), (78, 3304252), (84, 3068234), (91, 2832216), (104, 2478189), (114, 2260804), (133, 1937832), (152, 1695603), (156, 1652126), (168, 1534117), (182, 1416108), (228, 1130402), (247, 1043448), (266, 968916), (273, 944072), (312, 826063), (364, 708054), (399, 645944), (456, 565201), (494, 521724), (532, 484458), (546, 472036), (728, 354027), (741, 347816), (798, 322972), (988, 260862), (1064, 242229), (1092, 236018), (1482, 173908), (1596, 161486), (1729, 149064), (1976, 130431), (2184, 118009), (2964, 86954), (3192, 80743), (3458, 74532), (5187, 49688), (5928, 43477), (6211, 41496), (6916, 37266), (10374, 24844), (12422, 20748), (13832, 18633)]