161531048

素因数分解:

$2^3\times 7^3\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 371448000

約数和(自身を除く): 209916952

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 43, 49, 56, 74, 86, 98, 148, 172, 196, 259, 296, 301, 343, 344, 392, 518, 602, 686, 1036, 1204, 1369, 1372, 1591, 1813, 2072, 2107, 2408, 2738, 2744, 3182, 3626, 4214, 5476, 6364, 7252, 8428, 9583, 10952, 11137, 12691, 12728, 14504, 14749, 16856, 19166, 22274, 25382, 29498, 38332, 44548, 50764, 58867, 58996, 67081, 76664, 77959, 89096, 101528, 117734, 117992, 134162, 155918, 235468, 268324, 311836, 412069, 469567, 470936, 536648, 545713, 623672, 824138, 939134, 1091426, 1648276, 1878268, 2182852, 2884483, 3296552, 3756536, 4365704, 5768966, 11537932, 20191381, 23075864, 40382762, 80765524, 161531048]

約数ペア:

[(1, 161531048), (2, 80765524), (4, 40382762), (7, 23075864), (8, 20191381), (14, 11537932), (28, 5768966), (37, 4365704), (43, 3756536), (49, 3296552), (56, 2884483), (74, 2182852), (86, 1878268), (98, 1648276), (148, 1091426), (172, 939134), (196, 824138), (259, 623672), (296, 545713), (301, 536648), (343, 470936), (344, 469567), (392, 412069), (518, 311836), (602, 268324), (686, 235468), (1036, 155918), (1204, 134162), (1369, 117992), (1372, 117734), (1591, 101528), (1813, 89096), (2072, 77959), (2107, 76664), (2408, 67081), (2738, 58996), (2744, 58867), (3182, 50764), (3626, 44548), (4214, 38332), (5476, 29498), (6364, 25382), (7252, 22274), (8428, 19166), (9583, 16856), (10952, 14749), (11137, 14504), (12691, 12728)]