205678984

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{32503}}^1$

素因数の和:32629

約数の個数: 32

約数和(自身を含む): 444654720

約数和(自身を除く): 238975736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 32503, 65006, 130012, 227521, 260024, 455042, 910084, 1820168, 3672839, 7345678, 14691356, 25709873, 29382712, 51419746, 102839492, 205678984]

約数ペア:

[(1, 205678984), (2, 102839492), (4, 51419746), (7, 29382712), (8, 25709873), (14, 14691356), (28, 7345678), (56, 3672839), (113, 1820168), (226, 910084), (452, 455042), (791, 260024), (904, 227521), (1582, 130012), (3164, 65006), (6328, 32503)]