81821981516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{310501}}^1$

素因数の和:310682

約数の個数: 48

約数和(自身を含む): 160561826208

約数和(自身を除く): 78739844692

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 113, 212, 226, 452, 583, 1166, 1243, 2332, 2486, 4972, 5989, 11978, 23956, 65879, 131758, 263516, 310501, 621002, 1242004, 3415511, 6831022, 13662044, 16456553, 32913106, 35086613, 65826212, 70173226, 140346452, 181022083, 362044166, 385952743, 724088332, 771905486, 1543810972, 1859590489, 3719180978, 7438361956, 20455495379, 40910990758, 81821981516]

約数ペア:

[(1, 81821981516), (2, 40910990758), (4, 20455495379), (11, 7438361956), (22, 3719180978), (44, 1859590489), (53, 1543810972), (106, 771905486), (113, 724088332), (212, 385952743), (226, 362044166), (452, 181022083), (583, 140346452), (1166, 70173226), (1243, 65826212), (2332, 35086613), (2486, 32913106), (4972, 16456553), (5989, 13662044), (11978, 6831022), (23956, 3415511), (65879, 1242004), (131758, 621002), (263516, 310501)]