81511444

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 182327040

約数和(自身を除く): 100815596

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 41, 74, 76, 82, 101, 133, 148, 164, 202, 259, 266, 287, 404, 518, 532, 574, 703, 707, 779, 1036, 1148, 1406, 1414, 1517, 1558, 1919, 2812, 2828, 3034, 3116, 3737, 3838, 4141, 4921, 5453, 6068, 7474, 7676, 8282, 9842, 10619, 10906, 13433, 14948, 16564, 19684, 21238, 21812, 26159, 26866, 28823, 28987, 42476, 52318, 53732, 57646, 57974, 71003, 78679, 104636, 115292, 115948, 142006, 153217, 157358, 201761, 284012, 306434, 314716, 403522, 497021, 550753, 612868, 807044, 994042, 1072519, 1101506, 1988084, 2145038, 2203012, 2911123, 4290076, 5822246, 11644492, 20377861, 40755722, 81511444]

約数ペア:

[(1, 81511444), (2, 40755722), (4, 20377861), (7, 11644492), (14, 5822246), (19, 4290076), (28, 2911123), (37, 2203012), (38, 2145038), (41, 1988084), (74, 1101506), (76, 1072519), (82, 994042), (101, 807044), (133, 612868), (148, 550753), (164, 497021), (202, 403522), (259, 314716), (266, 306434), (287, 284012), (404, 201761), (518, 157358), (532, 153217), (574, 142006), (703, 115948), (707, 115292), (779, 104636), (1036, 78679), (1148, 71003), (1406, 57974), (1414, 57646), (1517, 53732), (1558, 52318), (1919, 42476), (2812, 28987), (2828, 28823), (3034, 26866), (3116, 26159), (3737, 21812), (3838, 21238), (4141, 19684), (4921, 16564), (5453, 14948), (6068, 13433), (7474, 10906), (7676, 10619), (8282, 9842)]