28979463852

素因数分解:

$2^2\times 3^3\times {\mathrm{641}}^1\times {\mathrm{647}}^2$

素因数の和:1948

約数の個数: 72

約数和(自身を含む): 75365638320

約数和(自身を除く): 46386174468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 641, 647, 1282, 1294, 1923, 1941, 2564, 2588, 3846, 3882, 5769, 5823, 7692, 7764, 11538, 11646, 17307, 17469, 23076, 23292, 34614, 34938, 69228, 69876, 414727, 418609, 829454, 837218, 1244181, 1255827, 1658908, 1674436, 2488362, 2511654, 3732543, 3767481, 4976724, 5023308, 7465086, 7534962, 11197629, 11302443, 14930172, 15069924, 22395258, 22604886, 44790516, 45209772, 268328369, 536656738, 804985107, 1073313476, 1609970214, 2414955321, 3219940428, 4829910642, 7244865963, 9659821284, 14489731926, 28979463852]

約数ペア:

[(1, 28979463852), (2, 14489731926), (3, 9659821284), (4, 7244865963), (6, 4829910642), (9, 3219940428), (12, 2414955321), (18, 1609970214), (27, 1073313476), (36, 804985107), (54, 536656738), (108, 268328369), (641, 45209772), (647, 44790516), (1282, 22604886), (1294, 22395258), (1923, 15069924), (1941, 14930172), (2564, 11302443), (2588, 11197629), (3846, 7534962), (3882, 7465086), (5769, 5023308), (5823, 4976724), (7692, 3767481), (7764, 3732543), (11538, 2511654), (11646, 2488362), (17307, 1674436), (17469, 1658908), (23076, 1255827), (23292, 1244181), (34614, 837218), (34938, 829454), (69228, 418609), (69876, 414727)]