201233968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2309}}^1$

素因数の和:2749

約数の個数: 40

約数和(自身を含む): 421066800

約数和(自身を除く): 219832832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 419, 838, 1676, 2309, 3352, 4618, 5447, 6704, 9236, 10894, 18472, 21788, 30017, 36944, 43576, 60034, 87152, 120068, 240136, 480272, 967471, 1934942, 3869884, 7739768, 12577123, 15479536, 25154246, 50308492, 100616984, 201233968]

約数ペア:

[(1, 201233968), (2, 100616984), (4, 50308492), (8, 25154246), (13, 15479536), (16, 12577123), (26, 7739768), (52, 3869884), (104, 1934942), (208, 967471), (419, 480272), (838, 240136), (1676, 120068), (2309, 87152), (3352, 60034), (4618, 43576), (5447, 36944), (6704, 30017), (9236, 21788), (10894, 18472)]