28057806

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 71808000

約数和(自身を除く): 43750194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 199, 373, 378, 398, 597, 746, 1119, 1194, 1393, 1791, 2238, 2611, 2786, 3357, 3582, 4179, 5222, 5373, 6714, 7833, 8358, 10071, 10746, 12537, 15666, 20142, 23499, 25074, 37611, 46998, 70497, 74227, 75222, 140994, 148454, 222681, 445362, 519589, 668043, 1039178, 1336086, 1558767, 2004129, 3117534, 4008258, 4676301, 9352602, 14028903, 28057806]

約数ペア:

[(1, 28057806), (2, 14028903), (3, 9352602), (6, 4676301), (7, 4008258), (9, 3117534), (14, 2004129), (18, 1558767), (21, 1336086), (27, 1039178), (42, 668043), (54, 519589), (63, 445362), (126, 222681), (189, 148454), (199, 140994), (373, 75222), (378, 74227), (398, 70497), (597, 46998), (746, 37611), (1119, 25074), (1194, 23499), (1393, 20142), (1791, 15666), (2238, 12537), (2611, 10746), (2786, 10071), (3357, 8358), (3582, 7833), (4179, 6714), (5222, 5373)]