161882812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 372556800

約数和(自身を除く): 210673988

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 89, 91, 133, 178, 182, 247, 263, 266, 356, 364, 494, 526, 532, 623, 988, 1052, 1157, 1246, 1691, 1729, 1841, 2314, 2492, 3382, 3419, 3458, 3682, 4628, 4997, 6764, 6838, 6916, 7364, 8099, 9994, 11837, 13676, 16198, 19988, 21983, 23407, 23674, 23933, 32396, 34979, 43966, 46814, 47348, 47866, 64961, 69958, 87932, 93628, 95732, 129922, 139916, 153881, 163849, 259844, 304291, 307762, 327698, 444733, 454727, 608582, 615524, 655396, 889466, 909454, 1217164, 1778932, 1818908, 2130037, 3113131, 4260074, 5781529, 6226262, 8520148, 11563058, 12452524, 23126116, 40470703, 80941406, 161882812]

約数ペア:

[(1, 161882812), (2, 80941406), (4, 40470703), (7, 23126116), (13, 12452524), (14, 11563058), (19, 8520148), (26, 6226262), (28, 5781529), (38, 4260074), (52, 3113131), (76, 2130037), (89, 1818908), (91, 1778932), (133, 1217164), (178, 909454), (182, 889466), (247, 655396), (263, 615524), (266, 608582), (356, 454727), (364, 444733), (494, 327698), (526, 307762), (532, 304291), (623, 259844), (988, 163849), (1052, 153881), (1157, 139916), (1246, 129922), (1691, 95732), (1729, 93628), (1841, 87932), (2314, 69958), (2492, 64961), (3382, 47866), (3419, 47348), (3458, 46814), (3682, 43966), (4628, 34979), (4997, 32396), (6764, 23933), (6838, 23674), (6916, 23407), (7364, 21983), (8099, 19988), (9994, 16198), (11837, 13676)]