207639216

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:991

約数の個数: 120

約数和(自身を含む): 615603456

約数和(自身を除く): 407964240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 71, 72, 92, 138, 142, 144, 184, 207, 213, 276, 284, 368, 414, 426, 552, 568, 639, 828, 852, 883, 1104, 1136, 1278, 1633, 1656, 1704, 1766, 2556, 2649, 3266, 3312, 3408, 3532, 4899, 5112, 5298, 6532, 7064, 7947, 9798, 10224, 10596, 13064, 14128, 14697, 15894, 19596, 20309, 21192, 26128, 29394, 31788, 39192, 40618, 42384, 58788, 60927, 62693, 63576, 78384, 81236, 117576, 121854, 125386, 127152, 162472, 182781, 188079, 235152, 243708, 250772, 324944, 365562, 376158, 487416, 501544, 564237, 731124, 752316, 974832, 1003088, 1128474, 1441939, 1462248, 1504632, 2256948, 2883878, 2924496, 3009264, 4325817, 4513896, 5767756, 8651634, 9027792, 11535512, 12977451, 17303268, 23071024, 25954902, 34606536, 51909804, 69213072, 103819608, 207639216]

約数ペア:

[(1, 207639216), (2, 103819608), (3, 69213072), (4, 51909804), (6, 34606536), (8, 25954902), (9, 23071024), (12, 17303268), (16, 12977451), (18, 11535512), (23, 9027792), (24, 8651634), (36, 5767756), (46, 4513896), (48, 4325817), (69, 3009264), (71, 2924496), (72, 2883878), (92, 2256948), (138, 1504632), (142, 1462248), (144, 1441939), (184, 1128474), (207, 1003088), (213, 974832), (276, 752316), (284, 731124), (368, 564237), (414, 501544), (426, 487416), (552, 376158), (568, 365562), (639, 324944), (828, 250772), (852, 243708), (883, 235152), (1104, 188079), (1136, 182781), (1278, 162472), (1633, 127152), (1656, 125386), (1704, 121854), (1766, 117576), (2556, 81236), (2649, 78384), (3266, 63576), (3312, 62693), (3408, 60927), (3532, 58788), (4899, 42384), (5112, 40618), (5298, 39192), (6532, 31788), (7064, 29394), (7947, 26128), (9798, 21192), (10224, 20309), (10596, 19596), (13064, 15894), (14128, 14697)]