1643014672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 3488495472

約数和(自身を除く): 1845480800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 197, 202, 208, 394, 397, 404, 788, 794, 808, 1313, 1576, 1588, 1616, 2561, 2626, 3152, 3176, 5122, 5161, 5252, 6352, 10244, 10322, 10504, 19897, 20488, 20644, 21008, 39794, 40097, 40976, 41288, 78209, 79588, 80194, 82576, 156418, 159176, 160388, 258661, 312836, 318352, 320776, 517322, 521261, 625672, 641552, 1016717, 1034644, 1042522, 1251344, 2033434, 2069288, 2085044, 4066868, 4138576, 4170088, 7899109, 8133736, 8340176, 15798218, 16267472, 31596436, 63192872, 102688417, 126385744, 205376834, 410753668, 821507336, 1643014672]

約数ペア:

[(1, 1643014672), (2, 821507336), (4, 410753668), (8, 205376834), (13, 126385744), (16, 102688417), (26, 63192872), (52, 31596436), (101, 16267472), (104, 15798218), (197, 8340176), (202, 8133736), (208, 7899109), (394, 4170088), (397, 4138576), (404, 4066868), (788, 2085044), (794, 2069288), (808, 2033434), (1313, 1251344), (1576, 1042522), (1588, 1034644), (1616, 1016717), (2561, 641552), (2626, 625672), (3152, 521261), (3176, 517322), (5122, 320776), (5161, 318352), (5252, 312836), (6352, 258661), (10244, 160388), (10322, 159176), (10504, 156418), (19897, 82576), (20488, 80194), (20644, 79588), (21008, 78209), (39794, 41288), (40097, 40976)]