99998444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{761}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 227612448

約数和(自身を除く): 127614004

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 361, 364, 494, 532, 722, 761, 988, 1444, 1522, 1729, 2527, 3044, 3458, 4693, 5054, 5327, 6916, 9386, 9893, 10108, 10654, 14459, 18772, 19786, 21308, 28918, 32851, 39572, 57836, 65702, 69251, 101213, 131404, 138502, 187967, 202426, 274721, 277004, 375934, 404852, 549442, 751868, 1098884, 1315769, 1923047, 2631538, 3571373, 3846094, 5263076, 7142746, 7692188, 14285492, 24999611, 49999222, 99998444]

約数ペア:

[(1, 99998444), (2, 49999222), (4, 24999611), (7, 14285492), (13, 7692188), (14, 7142746), (19, 5263076), (26, 3846094), (28, 3571373), (38, 2631538), (52, 1923047), (76, 1315769), (91, 1098884), (133, 751868), (182, 549442), (247, 404852), (266, 375934), (361, 277004), (364, 274721), (494, 202426), (532, 187967), (722, 138502), (761, 131404), (988, 101213), (1444, 69251), (1522, 65702), (1729, 57836), (2527, 39572), (3044, 32851), (3458, 28918), (4693, 21308), (5054, 19786), (5327, 18772), (6916, 14459), (9386, 10654), (9893, 10108)]