16489396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 37657088

約数和(自身を除く): 21167692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 157, 217, 242, 308, 314, 341, 434, 484, 628, 682, 847, 868, 1099, 1364, 1694, 1727, 2198, 2387, 3388, 3454, 3751, 4396, 4774, 4867, 6908, 7502, 9548, 9734, 12089, 15004, 18997, 19468, 24178, 26257, 34069, 37994, 48356, 52514, 53537, 68138, 75988, 105028, 107074, 132979, 136276, 214148, 265958, 374759, 531916, 588907, 749518, 1177814, 1499036, 2355628, 4122349, 8244698, 16489396]

約数ペア:

[(1, 16489396), (2, 8244698), (4, 4122349), (7, 2355628), (11, 1499036), (14, 1177814), (22, 749518), (28, 588907), (31, 531916), (44, 374759), (62, 265958), (77, 214148), (121, 136276), (124, 132979), (154, 107074), (157, 105028), (217, 75988), (242, 68138), (308, 53537), (314, 52514), (341, 48356), (434, 37994), (484, 34069), (628, 26257), (682, 24178), (847, 19468), (868, 18997), (1099, 15004), (1364, 12089), (1694, 9734), (1727, 9548), (2198, 7502), (2387, 6908), (3388, 4867), (3454, 4774), (3751, 4396)]