128781884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1319}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 282078720

約数和(自身を除く): 153296836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 317, 634, 1268, 1319, 2219, 2638, 3487, 4438, 5276, 6974, 8876, 9233, 13948, 14509, 18466, 24409, 29018, 36932, 48818, 58036, 97636, 101563, 203126, 406252, 418123, 836246, 1672492, 2926861, 4599353, 5853722, 9198706, 11707444, 18397412, 32195471, 64390942, 128781884]

約数ペア:

[(1, 128781884), (2, 64390942), (4, 32195471), (7, 18397412), (11, 11707444), (14, 9198706), (22, 5853722), (28, 4599353), (44, 2926861), (77, 1672492), (154, 836246), (308, 418123), (317, 406252), (634, 203126), (1268, 101563), (1319, 97636), (2219, 58036), (2638, 48818), (3487, 36932), (4438, 29018), (5276, 24409), (6974, 18466), (8876, 14509), (9233, 13948)]