1987922356

素因数分解:

$2^2\times 7^4\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:942

約数の個数: 60

約数和(自身を含む): 4076295300

約数和(自身を除く): 2088372944

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 449, 461, 686, 898, 922, 1372, 1796, 1844, 2401, 3143, 3227, 4802, 6286, 6454, 9604, 12572, 12908, 22001, 22589, 44002, 45178, 88004, 90356, 154007, 158123, 206989, 308014, 316246, 413978, 616028, 632492, 827956, 1078049, 1106861, 1448923, 2156098, 2213722, 2897846, 4312196, 4427444, 5795692, 10142461, 20284922, 40569844, 70997227, 141994454, 283988908, 496980589, 993961178, 1987922356]

約数ペア:

[(1, 1987922356), (2, 993961178), (4, 496980589), (7, 283988908), (14, 141994454), (28, 70997227), (49, 40569844), (98, 20284922), (196, 10142461), (343, 5795692), (449, 4427444), (461, 4312196), (686, 2897846), (898, 2213722), (922, 2156098), (1372, 1448923), (1796, 1106861), (1844, 1078049), (2401, 827956), (3143, 632492), (3227, 616028), (4802, 413978), (6286, 316246), (6454, 308014), (9604, 206989), (12572, 158123), (12908, 154007), (22001, 90356), (22589, 88004), (44002, 45178)]