31011728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 70281216

約数和(自身を除く): 39269488

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 47, 88, 92, 94, 163, 176, 184, 188, 253, 326, 368, 376, 506, 517, 652, 752, 1012, 1034, 1081, 1304, 1793, 2024, 2068, 2162, 2608, 3586, 3749, 4048, 4136, 4324, 7172, 7498, 7661, 8272, 8648, 11891, 14344, 14996, 15322, 17296, 23782, 28688, 29992, 30644, 41239, 47564, 59984, 61288, 82478, 84271, 95128, 122576, 164956, 168542, 176203, 190256, 329912, 337084, 352406, 659824, 674168, 704812, 1348336, 1409624, 1938233, 2819248, 3876466, 7752932, 15505864, 31011728]

約数ペア:

[(1, 31011728), (2, 15505864), (4, 7752932), (8, 3876466), (11, 2819248), (16, 1938233), (22, 1409624), (23, 1348336), (44, 704812), (46, 674168), (47, 659824), (88, 352406), (92, 337084), (94, 329912), (163, 190256), (176, 176203), (184, 168542), (188, 164956), (253, 122576), (326, 95128), (368, 84271), (376, 82478), (506, 61288), (517, 59984), (652, 47564), (752, 41239), (1012, 30644), (1034, 29992), (1081, 28688), (1304, 23782), (1793, 17296), (2024, 15322), (2068, 14996), (2162, 14344), (2608, 11891), (3586, 8648), (3749, 8272), (4048, 7661), (4136, 7498), (4324, 7172)]