999936496

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 120

約数和(自身を含む): 2207477760

約数和(自身を除く): 1207541264

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 151, 158, 169, 208, 248, 302, 316, 338, 403, 496, 604, 632, 676, 806, 1027, 1208, 1264, 1352, 1612, 1963, 2054, 2416, 2449, 2704, 3224, 3926, 4108, 4681, 4898, 5239, 6448, 7852, 8216, 9362, 9796, 10478, 11929, 13351, 15704, 16432, 18724, 19592, 20956, 23858, 25519, 26702, 31408, 31837, 37448, 39184, 41912, 47716, 51038, 53404, 60853, 63674, 74896, 83824, 95432, 102076, 106808, 121706, 127348, 155077, 190864, 204152, 213616, 243412, 254696, 310154, 369799, 408304, 413881, 486824, 509392, 620308, 739598, 791089, 827762, 973648, 1240616, 1479196, 1582178, 1655524, 2016001, 2481232, 2958392, 3164356, 3311048, 4032002, 4807387, 5916784, 6328712, 6622096, 8064004, 9614774, 12657424, 16128008, 19229548, 32256016, 38459096, 62496031, 76918192, 124992062, 249984124, 499968248, 999936496]

約数ペア:

[(1, 999936496), (2, 499968248), (4, 249984124), (8, 124992062), (13, 76918192), (16, 62496031), (26, 38459096), (31, 32256016), (52, 19229548), (62, 16128008), (79, 12657424), (104, 9614774), (124, 8064004), (151, 6622096), (158, 6328712), (169, 5916784), (208, 4807387), (248, 4032002), (302, 3311048), (316, 3164356), (338, 2958392), (403, 2481232), (496, 2016001), (604, 1655524), (632, 1582178), (676, 1479196), (806, 1240616), (1027, 973648), (1208, 827762), (1264, 791089), (1352, 739598), (1612, 620308), (1963, 509392), (2054, 486824), (2416, 413881), (2449, 408304), (2704, 369799), (3224, 310154), (3926, 254696), (4108, 243412), (4681, 213616), (4898, 204152), (5239, 190864), (6448, 155077), (7852, 127348), (8216, 121706), (9362, 106808), (9796, 102076), (10478, 95432), (11929, 83824), (13351, 74896), (15704, 63674), (16432, 60853), (18724, 53404), (19592, 51038), (20956, 47716), (23858, 41912), (25519, 39184), (26702, 37448), (31408, 31837)]