1242637136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1756

約数の個数: 80

約数和(自身を含む): 2683161600

約数和(自身を除く): 1440524464

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 79, 94, 104, 158, 188, 208, 316, 376, 611, 632, 752, 1027, 1222, 1264, 1609, 2054, 2444, 3218, 3713, 4108, 4888, 6436, 7426, 8216, 9776, 12872, 14852, 16432, 20917, 25744, 29704, 41834, 48269, 59408, 75623, 83668, 96538, 127111, 151246, 167336, 193076, 254222, 302492, 334672, 386152, 508444, 604984, 772304, 983099, 1016888, 1209968, 1652443, 1966198, 2033776, 3304886, 3932396, 5974217, 6609772, 7864792, 11948434, 13219544, 15729584, 23896868, 26439088, 47793736, 77664821, 95587472, 155329642, 310659284, 621318568, 1242637136]

約数ペア:

[(1, 1242637136), (2, 621318568), (4, 310659284), (8, 155329642), (13, 95587472), (16, 77664821), (26, 47793736), (47, 26439088), (52, 23896868), (79, 15729584), (94, 13219544), (104, 11948434), (158, 7864792), (188, 6609772), (208, 5974217), (316, 3932396), (376, 3304886), (611, 2033776), (632, 1966198), (752, 1652443), (1027, 1209968), (1222, 1016888), (1264, 983099), (1609, 772304), (2054, 604984), (2444, 508444), (3218, 386152), (3713, 334672), (4108, 302492), (4888, 254222), (6436, 193076), (7426, 167336), (8216, 151246), (9776, 127111), (12872, 96538), (14852, 83668), (16432, 75623), (20917, 59408), (25744, 48269), (29704, 41834)]