28706256

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1400

約数の個数: 60

約数和(自身を含む): 80896608

約数和(自身を除く): 52190352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 326, 489, 652, 978, 1223, 1304, 1467, 1956, 2446, 2608, 2934, 3669, 3912, 4892, 5868, 7338, 7824, 9784, 11007, 11736, 14676, 19568, 22014, 23472, 29352, 44028, 58704, 88056, 176112, 199349, 398698, 598047, 797396, 1196094, 1594792, 1794141, 2392188, 3189584, 3588282, 4784376, 7176564, 9568752, 14353128, 28706256]

約数ペア:

[(1, 28706256), (2, 14353128), (3, 9568752), (4, 7176564), (6, 4784376), (8, 3588282), (9, 3189584), (12, 2392188), (16, 1794141), (18, 1594792), (24, 1196094), (36, 797396), (48, 598047), (72, 398698), (144, 199349), (163, 176112), (326, 88056), (489, 58704), (652, 44028), (978, 29352), (1223, 23472), (1304, 22014), (1467, 19568), (1956, 14676), (2446, 11736), (2608, 11007), (2934, 9784), (3669, 7824), (3912, 7338), (4892, 5868)]