16663724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 37920960

約数和(自身を除く): 21257236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 59, 77, 98, 118, 131, 154, 196, 236, 262, 308, 413, 524, 539, 649, 826, 917, 1078, 1298, 1441, 1652, 1834, 2156, 2596, 2882, 2891, 3668, 4543, 5764, 5782, 6419, 7729, 9086, 10087, 11564, 12838, 15458, 18172, 20174, 25676, 30916, 31801, 40348, 54103, 63602, 70609, 85019, 108206, 127204, 141218, 170038, 216412, 282436, 340076, 378721, 595133, 757442, 1190266, 1514884, 2380532, 4165931, 8331862, 16663724]

約数ペア:

[(1, 16663724), (2, 8331862), (4, 4165931), (7, 2380532), (11, 1514884), (14, 1190266), (22, 757442), (28, 595133), (44, 378721), (49, 340076), (59, 282436), (77, 216412), (98, 170038), (118, 141218), (131, 127204), (154, 108206), (196, 85019), (236, 70609), (262, 63602), (308, 54103), (413, 40348), (524, 31801), (539, 30916), (649, 25676), (826, 20174), (917, 18172), (1078, 15458), (1298, 12838), (1441, 11564), (1652, 10087), (1834, 9086), (2156, 7729), (2596, 6419), (2882, 5782), (2891, 5764), (3668, 4543)]