678726056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 1375574400

約数和(自身を除く): 696848344

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 173, 212, 346, 424, 487, 692, 974, 1007, 1384, 1948, 2014, 3287, 3896, 4028, 6574, 8056, 9169, 9253, 13148, 18338, 18506, 25811, 26296, 36676, 37012, 51622, 73352, 74024, 84251, 103244, 168502, 174211, 206488, 337004, 348422, 490409, 674008, 696844, 980818, 1393688, 1600769, 1961636, 3201538, 3923272, 4465303, 6403076, 8930606, 12806152, 17861212, 35722424, 84840757, 169681514, 339363028, 678726056]

約数ペア:

[(1, 678726056), (2, 339363028), (4, 169681514), (8, 84840757), (19, 35722424), (38, 17861212), (53, 12806152), (76, 8930606), (106, 6403076), (152, 4465303), (173, 3923272), (212, 3201538), (346, 1961636), (424, 1600769), (487, 1393688), (692, 980818), (974, 696844), (1007, 674008), (1384, 490409), (1948, 348422), (2014, 337004), (3287, 206488), (3896, 174211), (4028, 168502), (6574, 103244), (8056, 84251), (9169, 74024), (9253, 73352), (13148, 51622), (18338, 37012), (18506, 36676), (25811, 26296)]