251189136

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:829

約数の個数: 120

約数和(自身を含む): 770781024

約数和(自身を除く): 519591888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 347, 396, 457, 528, 694, 792, 914, 1041, 1371, 1388, 1584, 1828, 2082, 2742, 2776, 3123, 3656, 3817, 4113, 4164, 5027, 5484, 5552, 6246, 7312, 7634, 8226, 8328, 10054, 10968, 11451, 12492, 15081, 15268, 16452, 16656, 20108, 21936, 22902, 24984, 30162, 30536, 32904, 34353, 40216, 45243, 45804, 49968, 60324, 61072, 65808, 68706, 80432, 90486, 91608, 120648, 137412, 158579, 180972, 183216, 241296, 274824, 317158, 361944, 475737, 549648, 634316, 723888, 951474, 1268632, 1427211, 1744369, 1902948, 2537264, 2854422, 3488738, 3805896, 5233107, 5708844, 6977476, 7611792, 10466214, 11417688, 13954952, 15699321, 20932428, 22835376, 27909904, 31398642, 41864856, 62797284, 83729712, 125594568, 251189136]

約数ペア:

[(1, 251189136), (2, 125594568), (3, 83729712), (4, 62797284), (6, 41864856), (8, 31398642), (9, 27909904), (11, 22835376), (12, 20932428), (16, 15699321), (18, 13954952), (22, 11417688), (24, 10466214), (33, 7611792), (36, 6977476), (44, 5708844), (48, 5233107), (66, 3805896), (72, 3488738), (88, 2854422), (99, 2537264), (132, 1902948), (144, 1744369), (176, 1427211), (198, 1268632), (264, 951474), (347, 723888), (396, 634316), (457, 549648), (528, 475737), (694, 361944), (792, 317158), (914, 274824), (1041, 241296), (1371, 183216), (1388, 180972), (1584, 158579), (1828, 137412), (2082, 120648), (2742, 91608), (2776, 90486), (3123, 80432), (3656, 68706), (3817, 65808), (4113, 61072), (4164, 60324), (5027, 49968), (5484, 45804), (5552, 45243), (6246, 40216), (7312, 34353), (7634, 32904), (8226, 30536), (8328, 30162), (10054, 24984), (10968, 22902), (11451, 21936), (12492, 20108), (15081, 16656), (15268, 16452)]