128940708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 337841280

約数和(自身を除く): 208900572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 89, 111, 148, 156, 178, 222, 251, 267, 356, 444, 481, 502, 534, 753, 962, 1004, 1068, 1157, 1443, 1506, 1924, 2314, 2886, 3012, 3263, 3293, 3471, 4628, 5772, 6526, 6586, 6942, 9287, 9789, 9879, 13052, 13172, 13884, 18574, 19578, 19758, 22339, 27861, 37148, 39156, 39516, 42809, 44678, 55722, 67017, 85618, 89356, 111444, 120731, 128427, 134034, 171236, 241462, 256854, 268068, 290407, 362193, 482924, 513708, 580814, 724386, 826543, 871221, 1161628, 1448772, 1653086, 1742442, 2479629, 3306172, 3484884, 4959258, 9918516, 10745059, 21490118, 32235177, 42980236, 64470354, 128940708]

約数ペア:

[(1, 128940708), (2, 64470354), (3, 42980236), (4, 32235177), (6, 21490118), (12, 10745059), (13, 9918516), (26, 4959258), (37, 3484884), (39, 3306172), (52, 2479629), (74, 1742442), (78, 1653086), (89, 1448772), (111, 1161628), (148, 871221), (156, 826543), (178, 724386), (222, 580814), (251, 513708), (267, 482924), (356, 362193), (444, 290407), (481, 268068), (502, 256854), (534, 241462), (753, 171236), (962, 134034), (1004, 128427), (1068, 120731), (1157, 111444), (1443, 89356), (1506, 85618), (1924, 67017), (2314, 55722), (2886, 44678), (3012, 42809), (3263, 39516), (3293, 39156), (3471, 37148), (4628, 27861), (5772, 22339), (6526, 19758), (6586, 19578), (6942, 18574), (9287, 13884), (9789, 13172), (9879, 13052)]