28688930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 53343360

約数和(自身を除く): 24654430

約数列:

[1, 2, 5, 10, 41, 82, 167, 205, 334, 410, 419, 835, 838, 1670, 2095, 4190, 6847, 13694, 17179, 34235, 34358, 68470, 69973, 85895, 139946, 171790, 349865, 699730, 2868893, 5737786, 14344465, 28688930]

約数ペア:

[(1, 28688930), (2, 14344465), (5, 5737786), (10, 2868893), (41, 699730), (82, 349865), (167, 171790), (205, 139946), (334, 85895), (410, 69973), (419, 68470), (835, 34358), (838, 34235), (1670, 17179), (2095, 13694), (4190, 6847)]