381019492

素因数分解:

$2^2\times 7^4\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 60

約数和(自身を含む): 787809260

約数和(自身を除く): 406789768

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 409, 679, 686, 818, 1358, 1372, 1636, 2401, 2716, 2863, 4753, 4802, 5726, 9506, 9604, 11452, 19012, 20041, 33271, 39673, 40082, 66542, 79346, 80164, 133084, 140287, 158692, 232897, 277711, 280574, 465794, 555422, 561148, 931588, 982009, 1110844, 1943977, 1964018, 3887954, 3928036, 7775908, 13607839, 27215678, 54431356, 95254873, 190509746, 381019492]

約数ペア:

[(1, 381019492), (2, 190509746), (4, 95254873), (7, 54431356), (14, 27215678), (28, 13607839), (49, 7775908), (97, 3928036), (98, 3887954), (194, 1964018), (196, 1943977), (343, 1110844), (388, 982009), (409, 931588), (679, 561148), (686, 555422), (818, 465794), (1358, 280574), (1372, 277711), (1636, 232897), (2401, 158692), (2716, 140287), (2863, 133084), (4753, 80164), (4802, 79346), (5726, 66542), (9506, 40082), (9604, 39673), (11452, 33271), (19012, 20041)]