1640673872

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{457}}^1\times {\mathrm{1297}}^1$

素因数の和:1935

約数の個数: 40

約数和(自身を含む): 3206646696

約数和(自身を除く): 1565972824

約数列:

[1, 2, 4, 8, 16, 173, 346, 457, 692, 914, 1297, 1384, 1828, 2594, 2768, 3656, 5188, 7312, 10376, 20752, 79061, 158122, 224381, 316244, 448762, 592729, 632488, 897524, 1185458, 1264976, 1795048, 2370916, 3590096, 4741832, 9483664, 102542117, 205084234, 410168468, 820336936, 1640673872]

約数ペア:

[(1, 1640673872), (2, 820336936), (4, 410168468), (8, 205084234), (16, 102542117), (173, 9483664), (346, 4741832), (457, 3590096), (692, 2370916), (914, 1795048), (1297, 1264976), (1384, 1185458), (1828, 897524), (2594, 632488), (2768, 592729), (3656, 448762), (5188, 316244), (7312, 224381), (10376, 158122), (20752, 79061)]