198683836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 409920000

約数和(自身を除く): 211236164

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 169, 247, 338, 403, 494, 499, 589, 676, 806, 988, 998, 1178, 1612, 1996, 2356, 3211, 5239, 6422, 6487, 7657, 9481, 10478, 12844, 12974, 15314, 15469, 18962, 20956, 25948, 30628, 30938, 37924, 61876, 84331, 99541, 123253, 168662, 199082, 201097, 246506, 293911, 337324, 398164, 402194, 493012, 587822, 804388, 1175644, 1602289, 2614261, 3204578, 3820843, 5228522, 6409156, 7641686, 10457044, 15283372, 49670959, 99341918, 198683836]

約数ペア:

[(1, 198683836), (2, 99341918), (4, 49670959), (13, 15283372), (19, 10457044), (26, 7641686), (31, 6409156), (38, 5228522), (52, 3820843), (62, 3204578), (76, 2614261), (124, 1602289), (169, 1175644), (247, 804388), (338, 587822), (403, 493012), (494, 402194), (499, 398164), (589, 337324), (676, 293911), (806, 246506), (988, 201097), (998, 199082), (1178, 168662), (1612, 123253), (1996, 99541), (2356, 84331), (3211, 61876), (5239, 37924), (6422, 30938), (6487, 30628), (7657, 25948), (9481, 20956), (10478, 18962), (12844, 15469), (12974, 15314)]