198371888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 454616736

約数和(自身を除く): 256244848

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 277, 286, 313, 554, 572, 626, 1108, 1144, 1252, 2216, 2288, 2504, 3047, 3443, 3601, 4069, 4432, 5008, 6094, 6886, 7202, 8138, 12188, 13772, 14404, 16276, 24376, 27544, 28808, 32552, 39611, 44759, 48752, 55088, 57616, 65104, 79222, 86701, 89518, 158444, 173402, 179036, 316888, 346804, 358072, 633776, 693608, 716144, 953711, 1127113, 1387216, 1907422, 2254226, 3814844, 4508452, 7629688, 9016904, 12398243, 15259376, 18033808, 24796486, 49592972, 99185944, 198371888]

約数ペア:

[(1, 198371888), (2, 99185944), (4, 49592972), (8, 24796486), (11, 18033808), (13, 15259376), (16, 12398243), (22, 9016904), (26, 7629688), (44, 4508452), (52, 3814844), (88, 2254226), (104, 1907422), (143, 1387216), (176, 1127113), (208, 953711), (277, 716144), (286, 693608), (313, 633776), (554, 358072), (572, 346804), (626, 316888), (1108, 179036), (1144, 173402), (1252, 158444), (2216, 89518), (2288, 86701), (2504, 79222), (3047, 65104), (3443, 57616), (3601, 55088), (4069, 48752), (4432, 44759), (5008, 39611), (6094, 32552), (6886, 28808), (7202, 27544), (8138, 24376), (12188, 16276), (13772, 14404)]