247841264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{1487}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 524752128

約数和(自身を除く): 276910864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 947, 1487, 1894, 2974, 3788, 5948, 7576, 10417, 11896, 15152, 16357, 20834, 23792, 32714, 41668, 65428, 83336, 130856, 166672, 261712, 1408189, 2816378, 5632756, 11265512, 15490079, 22531024, 30980158, 61960316, 123920632, 247841264]

約数ペア:

[(1, 247841264), (2, 123920632), (4, 61960316), (8, 30980158), (11, 22531024), (16, 15490079), (22, 11265512), (44, 5632756), (88, 2816378), (176, 1408189), (947, 261712), (1487, 166672), (1894, 130856), (2974, 83336), (3788, 65428), (5948, 41668), (7576, 32714), (10417, 23792), (11896, 20834), (15152, 16357)]