28666208

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 30011488

約数列:

[1, 2, 4, 8, 16, 32, 43, 83, 86, 166, 172, 251, 332, 344, 502, 664, 688, 1004, 1328, 1376, 2008, 2656, 3569, 4016, 7138, 8032, 10793, 14276, 20833, 21586, 28552, 41666, 43172, 57104, 83332, 86344, 114208, 166664, 172688, 333328, 345376, 666656, 895819, 1791638, 3583276, 7166552, 14333104, 28666208]

約数ペア:

[(1, 28666208), (2, 14333104), (4, 7166552), (8, 3583276), (16, 1791638), (32, 895819), (43, 666656), (83, 345376), (86, 333328), (166, 172688), (172, 166664), (251, 114208), (332, 86344), (344, 83332), (502, 57104), (664, 43172), (688, 41666), (1004, 28552), (1328, 21586), (1376, 20833), (2008, 14276), (2656, 10793), (3569, 8032), (4016, 7138)]