128914984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 273715200

約数和(自身を除く): 144800216

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 71, 88, 94, 142, 188, 284, 376, 439, 517, 568, 781, 878, 1034, 1562, 1756, 2068, 3124, 3337, 3512, 4136, 4829, 6248, 6674, 9658, 13348, 19316, 20633, 26696, 31169, 36707, 38632, 41266, 62338, 73414, 82532, 124676, 146828, 165064, 226963, 249352, 293656, 342859, 453926, 685718, 907852, 1371436, 1464943, 1815704, 2742872, 2929886, 5859772, 11719544, 16114373, 32228746, 64457492, 128914984]

約数ペア:

[(1, 128914984), (2, 64457492), (4, 32228746), (8, 16114373), (11, 11719544), (22, 5859772), (44, 2929886), (47, 2742872), (71, 1815704), (88, 1464943), (94, 1371436), (142, 907852), (188, 685718), (284, 453926), (376, 342859), (439, 293656), (517, 249352), (568, 226963), (781, 165064), (878, 146828), (1034, 124676), (1562, 82532), (1756, 73414), (2068, 62338), (3124, 41266), (3337, 38632), (3512, 36707), (4136, 31169), (4829, 26696), (6248, 20633), (6674, 19316), (9658, 13348)]