81263742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 193950720

約数和(自身を除く): 112686978

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 137, 174, 203, 274, 406, 411, 487, 609, 822, 959, 974, 1218, 1461, 1918, 2877, 2922, 3409, 3973, 5754, 6818, 7946, 10227, 11919, 14123, 20454, 23838, 27811, 28246, 42369, 55622, 66719, 83433, 84738, 98861, 133438, 166866, 197722, 200157, 296583, 400314, 467033, 593166, 934066, 1401099, 1934851, 2802198, 3869702, 5804553, 11609106, 13543957, 27087914, 40631871, 81263742]

約数ペア:

[(1, 81263742), (2, 40631871), (3, 27087914), (6, 13543957), (7, 11609106), (14, 5804553), (21, 3869702), (29, 2802198), (42, 1934851), (58, 1401099), (87, 934066), (137, 593166), (174, 467033), (203, 400314), (274, 296583), (406, 200157), (411, 197722), (487, 166866), (609, 133438), (822, 98861), (959, 84738), (974, 83433), (1218, 66719), (1461, 55622), (1918, 42369), (2877, 28246), (2922, 27811), (3409, 23838), (3973, 20454), (5754, 14123), (6818, 11919), (7946, 10227)]