16981272

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1054

約数の個数: 128

約数和(自身を含む): 58867200

約数和(自身を除く): 41885928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1021, 1188, 1386, 1512, 1848, 2042, 2079, 2376, 2772, 3063, 4084, 4158, 5544, 6126, 7147, 8168, 8316, 9189, 11231, 12252, 14294, 16632, 18378, 21441, 22462, 24504, 27567, 28588, 33693, 36756, 42882, 44924, 55134, 57176, 64323, 67386, 73512, 78617, 85764, 89848, 101079, 110268, 128646, 134772, 157234, 171528, 192969, 202158, 220536, 235851, 257292, 269544, 303237, 314468, 385938, 404316, 471702, 514584, 606474, 628936, 707553, 771876, 808632, 943404, 1212948, 1415106, 1543752, 1886808, 2122659, 2425896, 2830212, 4245318, 5660424, 8490636, 16981272]

約数ペア:

[(1, 16981272), (2, 8490636), (3, 5660424), (4, 4245318), (6, 2830212), (7, 2425896), (8, 2122659), (9, 1886808), (11, 1543752), (12, 1415106), (14, 1212948), (18, 943404), (21, 808632), (22, 771876), (24, 707553), (27, 628936), (28, 606474), (33, 514584), (36, 471702), (42, 404316), (44, 385938), (54, 314468), (56, 303237), (63, 269544), (66, 257292), (72, 235851), (77, 220536), (84, 202158), (88, 192969), (99, 171528), (108, 157234), (126, 134772), (132, 128646), (154, 110268), (168, 101079), (189, 89848), (198, 85764), (216, 78617), (231, 73512), (252, 67386), (264, 64323), (297, 57176), (308, 55134), (378, 44924), (396, 42882), (462, 36756), (504, 33693), (594, 28588), (616, 27567), (693, 24504), (756, 22462), (792, 21441), (924, 18378), (1021, 16632), (1188, 14294), (1386, 12252), (1512, 11231), (1848, 9189), (2042, 8316), (2079, 8168), (2376, 7147), (2772, 6126), (3063, 5544), (4084, 4158)]