28825128

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1109}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 82467450

約数和(自身を除く): 53642322

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1109, 1368, 1444, 2166, 2218, 2888, 3249, 3327, 4332, 4436, 6498, 6654, 8664, 8872, 9981, 12996, 13308, 19962, 21071, 25992, 26616, 39924, 42142, 63213, 79848, 84284, 126426, 168568, 189639, 252852, 379278, 400349, 505704, 758556, 800698, 1201047, 1517112, 1601396, 2402094, 3202792, 3603141, 4804188, 7206282, 9608376, 14412564, 28825128]

約数ペア:

[(1, 28825128), (2, 14412564), (3, 9608376), (4, 7206282), (6, 4804188), (8, 3603141), (9, 3202792), (12, 2402094), (18, 1601396), (19, 1517112), (24, 1201047), (36, 800698), (38, 758556), (57, 505704), (72, 400349), (76, 379278), (114, 252852), (152, 189639), (171, 168568), (228, 126426), (342, 84284), (361, 79848), (456, 63213), (684, 42142), (722, 39924), (1083, 26616), (1109, 25992), (1368, 21071), (1444, 19962), (2166, 13308), (2218, 12996), (2888, 9981), (3249, 8872), (3327, 8664), (4332, 6654), (4436, 6498)]