28477404

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 75933312

約数和(自身を除く): 47455908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 163, 207, 211, 276, 326, 414, 422, 489, 633, 652, 828, 844, 978, 1266, 1467, 1899, 1956, 2532, 2934, 3749, 3798, 4853, 5868, 7498, 7596, 9706, 11247, 14559, 14996, 19412, 22494, 29118, 33741, 34393, 43677, 44988, 58236, 67482, 68786, 87354, 103179, 134964, 137572, 174708, 206358, 309537, 412716, 619074, 791039, 1238148, 1582078, 2373117, 3164156, 4746234, 7119351, 9492468, 14238702, 28477404]

約数ペア:

[(1, 28477404), (2, 14238702), (3, 9492468), (4, 7119351), (6, 4746234), (9, 3164156), (12, 2373117), (18, 1582078), (23, 1238148), (36, 791039), (46, 619074), (69, 412716), (92, 309537), (138, 206358), (163, 174708), (207, 137572), (211, 134964), (276, 103179), (326, 87354), (414, 68786), (422, 67482), (489, 58236), (633, 44988), (652, 43677), (828, 34393), (844, 33741), (978, 29118), (1266, 22494), (1467, 19412), (1899, 14996), (1956, 14559), (2532, 11247), (2934, 9706), (3749, 7596), (3798, 7498), (4853, 5868)]