163972641

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 280166400

約数和(自身を除く): 116193759

約数列:

[1, 3, 7, 19, 21, 29, 37, 57, 87, 111, 133, 203, 259, 383, 399, 551, 609, 703, 777, 1073, 1149, 1653, 2109, 2681, 3219, 3857, 4921, 7277, 7511, 8043, 11107, 11571, 14171, 14763, 20387, 21831, 22533, 33321, 42513, 50939, 61161, 77749, 99197, 142709, 152817, 211033, 233247, 269249, 297591, 410959, 428127, 633099, 807747, 1232877, 1477231, 1884743, 2876713, 4431693, 5654229, 7808221, 8630139, 23424663, 54657547, 163972641]

約数ペア:

[(1, 163972641), (3, 54657547), (7, 23424663), (19, 8630139), (21, 7808221), (29, 5654229), (37, 4431693), (57, 2876713), (87, 1884743), (111, 1477231), (133, 1232877), (203, 807747), (259, 633099), (383, 428127), (399, 410959), (551, 297591), (609, 269249), (703, 233247), (777, 211033), (1073, 152817), (1149, 142709), (1653, 99197), (2109, 77749), (2681, 61161), (3219, 50939), (3857, 42513), (4921, 33321), (7277, 22533), (7511, 21831), (8043, 20387), (11107, 14763), (11571, 14171)]