201720321728

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1163}}^1\times {\mathrm{13757}}^1$

素因数の和:15129

約数の個数: 56

約数和(自身を含む): 402695889552

約数和(自身を除く): 200975567824

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1163, 1576, 2326, 3152, 4652, 6304, 9304, 12608, 13757, 18608, 27514, 37216, 55028, 74432, 110056, 220112, 229111, 440224, 458222, 880448, 916444, 1832888, 2710129, 3665776, 5420258, 7331552, 10840516, 14663104, 15999391, 21681032, 31998782, 43362064, 63997564, 86724128, 127995128, 173448256, 255990256, 511980512, 1023961024, 3151880027, 6303760054, 12607520108, 25215040216, 50430080432, 100860160864, 201720321728]

約数ペア:

[(1, 201720321728), (2, 100860160864), (4, 50430080432), (8, 25215040216), (16, 12607520108), (32, 6303760054), (64, 3151880027), (197, 1023961024), (394, 511980512), (788, 255990256), (1163, 173448256), (1576, 127995128), (2326, 86724128), (3152, 63997564), (4652, 43362064), (6304, 31998782), (9304, 21681032), (12608, 15999391), (13757, 14663104), (18608, 10840516), (27514, 7331552), (37216, 5420258), (55028, 3665776), (74432, 2710129), (110056, 1832888), (220112, 916444), (229111, 880448), (440224, 458222)]