28213344

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:780

約数の個数: 72

約数和(自身を含む): 80858232

約数和(自身を除く): 52644888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 601, 652, 978, 1202, 1304, 1467, 1803, 1956, 2404, 2608, 2934, 3606, 3912, 4808, 5216, 5409, 5868, 7212, 7824, 9616, 10818, 11736, 14424, 15648, 19232, 21636, 23472, 28848, 43272, 46944, 57696, 86544, 97963, 173088, 195926, 293889, 391852, 587778, 783704, 881667, 1175556, 1567408, 1763334, 2351112, 3134816, 3526668, 4702224, 7053336, 9404448, 14106672, 28213344]

約数ペア:

[(1, 28213344), (2, 14106672), (3, 9404448), (4, 7053336), (6, 4702224), (8, 3526668), (9, 3134816), (12, 2351112), (16, 1763334), (18, 1567408), (24, 1175556), (32, 881667), (36, 783704), (48, 587778), (72, 391852), (96, 293889), (144, 195926), (163, 173088), (288, 97963), (326, 86544), (489, 57696), (601, 46944), (652, 43272), (978, 28848), (1202, 23472), (1304, 21636), (1467, 19232), (1803, 15648), (1956, 14424), (2404, 11736), (2608, 10818), (2934, 9616), (3606, 7824), (3912, 7212), (4808, 5868), (5216, 5409)]