813888978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{4493}}^1$

素因数の和:4751

約数の個数: 64

約数和(自身を含む): 1967293440

約数和(自身を除く): 1153404462

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 227, 266, 399, 454, 681, 798, 1362, 1589, 3178, 4313, 4493, 4767, 8626, 8986, 9534, 12939, 13479, 25878, 26958, 30191, 31451, 60382, 62902, 85367, 90573, 94353, 170734, 181146, 188706, 256101, 512202, 597569, 1019911, 1195138, 1792707, 2039822, 3059733, 3585414, 6119466, 7139377, 14278754, 19378309, 21418131, 38756618, 42836262, 58134927, 116269854, 135648163, 271296326, 406944489, 813888978]

約数ペア:

[(1, 813888978), (2, 406944489), (3, 271296326), (6, 135648163), (7, 116269854), (14, 58134927), (19, 42836262), (21, 38756618), (38, 21418131), (42, 19378309), (57, 14278754), (114, 7139377), (133, 6119466), (227, 3585414), (266, 3059733), (399, 2039822), (454, 1792707), (681, 1195138), (798, 1019911), (1362, 597569), (1589, 512202), (3178, 256101), (4313, 188706), (4493, 181146), (4767, 170734), (8626, 94353), (8986, 90573), (9534, 85367), (12939, 62902), (13479, 60382), (25878, 31451), (26958, 30191)]