199488224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 72

約数和(自身を含む): 437913000

約数和(自身を除く): 238424776

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 499, 806, 961, 992, 998, 1612, 1922, 1996, 3224, 3844, 3992, 6448, 6487, 7688, 7984, 12493, 12896, 12974, 15376, 15469, 15968, 24986, 25948, 30752, 30938, 49972, 51896, 61876, 99944, 103792, 123752, 199888, 201097, 207584, 247504, 399776, 402194, 479539, 495008, 804388, 959078, 1608776, 1918156, 3217552, 3836312, 6234007, 6435104, 7672624, 12468014, 15345248, 24936028, 49872056, 99744112, 199488224]

約数ペア:

[(1, 199488224), (2, 99744112), (4, 49872056), (8, 24936028), (13, 15345248), (16, 12468014), (26, 7672624), (31, 6435104), (32, 6234007), (52, 3836312), (62, 3217552), (104, 1918156), (124, 1608776), (208, 959078), (248, 804388), (403, 495008), (416, 479539), (496, 402194), (499, 399776), (806, 247504), (961, 207584), (992, 201097), (998, 199888), (1612, 123752), (1922, 103792), (1996, 99944), (3224, 61876), (3844, 51896), (3992, 49972), (6448, 30938), (6487, 30752), (7688, 25948), (7984, 24986), (12493, 15968), (12896, 15469), (12974, 15376)]