28905768

素因数分解:

$2^3\times 3^3\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 80884800

約数和(自身を除く): 51979032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 163, 216, 326, 489, 652, 821, 978, 1304, 1467, 1642, 1956, 2463, 2934, 3284, 3912, 4401, 4926, 5868, 6568, 7389, 8802, 9852, 11736, 14778, 17604, 19704, 22167, 29556, 35208, 44334, 59112, 88668, 133823, 177336, 267646, 401469, 535292, 802938, 1070584, 1204407, 1605876, 2408814, 3211752, 3613221, 4817628, 7226442, 9635256, 14452884, 28905768]

約数ペア:

[(1, 28905768), (2, 14452884), (3, 9635256), (4, 7226442), (6, 4817628), (8, 3613221), (9, 3211752), (12, 2408814), (18, 1605876), (24, 1204407), (27, 1070584), (36, 802938), (54, 535292), (72, 401469), (108, 267646), (163, 177336), (216, 133823), (326, 88668), (489, 59112), (652, 44334), (821, 35208), (978, 29556), (1304, 22167), (1467, 19704), (1642, 17604), (1956, 14778), (2463, 11736), (2934, 9852), (3284, 8802), (3912, 7389), (4401, 6568), (4926, 5868)]