80978456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 93203944

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 107, 152, 214, 247, 383, 428, 494, 766, 856, 988, 1391, 1532, 1976, 2033, 2782, 3064, 4066, 4979, 5564, 7277, 8132, 9958, 11128, 14554, 16264, 19916, 26429, 29108, 39832, 40981, 52858, 58216, 81962, 94601, 105716, 163924, 189202, 211432, 327848, 378404, 532753, 756808, 778639, 1065506, 1557278, 2131012, 3114556, 4262024, 6229112, 10122307, 20244614, 40489228, 80978456]

約数ペア:

[(1, 80978456), (2, 40489228), (4, 20244614), (8, 10122307), (13, 6229112), (19, 4262024), (26, 3114556), (38, 2131012), (52, 1557278), (76, 1065506), (104, 778639), (107, 756808), (152, 532753), (214, 378404), (247, 327848), (383, 211432), (428, 189202), (494, 163924), (766, 105716), (856, 94601), (988, 81962), (1391, 58216), (1532, 52858), (1976, 40981), (2033, 39832), (2782, 29108), (3064, 26429), (4066, 19916), (4979, 16264), (5564, 14554), (7277, 11128), (8132, 9958)]