287683816

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 646030080

約数和(自身を除く): 358346264

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 401, 557, 644, 802, 1114, 1288, 1604, 2228, 2807, 3208, 3899, 4456, 5614, 7798, 9223, 11228, 12811, 15596, 18446, 22456, 25622, 31192, 36892, 51244, 64561, 73784, 89677, 102488, 129122, 179354, 223357, 258244, 358708, 446714, 516488, 717416, 893428, 1563499, 1786856, 3126998, 5137211, 6253996, 10274422, 12507992, 20548844, 35960477, 41097688, 71920954, 143841908, 287683816]

約数ペア:

[(1, 287683816), (2, 143841908), (4, 71920954), (7, 41097688), (8, 35960477), (14, 20548844), (23, 12507992), (28, 10274422), (46, 6253996), (56, 5137211), (92, 3126998), (161, 1786856), (184, 1563499), (322, 893428), (401, 717416), (557, 516488), (644, 446714), (802, 358708), (1114, 258244), (1288, 223357), (1604, 179354), (2228, 129122), (2807, 102488), (3208, 89677), (3899, 73784), (4456, 64561), (5614, 51244), (7798, 36892), (9223, 31192), (11228, 25622), (12811, 22456), (15596, 18446)]