218540756

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2477}}^1$

素因数の和:2648

約数の個数: 48

約数和(自身を含む): 459599616

約数和(自身を除く): 241058860

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 137, 161, 274, 322, 548, 644, 959, 1918, 2477, 3151, 3836, 4954, 6302, 9908, 12604, 17339, 22057, 34678, 44114, 56971, 69356, 88228, 113942, 227884, 339349, 398797, 678698, 797594, 1357396, 1595188, 2375443, 4750886, 7805027, 9501772, 15610054, 31220108, 54635189, 109270378, 218540756]

約数ペア:

[(1, 218540756), (2, 109270378), (4, 54635189), (7, 31220108), (14, 15610054), (23, 9501772), (28, 7805027), (46, 4750886), (92, 2375443), (137, 1595188), (161, 1357396), (274, 797594), (322, 678698), (548, 398797), (644, 339349), (959, 227884), (1918, 113942), (2477, 88228), (3151, 69356), (3836, 56971), (4954, 44114), (6302, 34678), (9908, 22057), (12604, 17339)]