81919838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 182891520

約数和(自身を除く): 100971682

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 29, 34, 58, 77, 83, 91, 119, 143, 154, 166, 182, 187, 203, 221, 238, 286, 319, 374, 377, 406, 442, 493, 581, 638, 754, 913, 986, 1001, 1079, 1162, 1309, 1411, 1547, 1826, 2002, 2158, 2233, 2407, 2431, 2618, 2639, 2822, 3094, 3451, 4147, 4466, 4814, 4862, 5278, 5423, 6391, 6409, 6902, 7553, 8294, 9877, 10846, 11869, 12782, 12818, 15106, 15521, 16849, 17017, 18343, 19754, 23738, 26477, 29029, 31042, 31291, 33698, 34034, 36686, 37961, 40919, 44863, 52954, 58058, 62582, 70499, 75922, 81838, 83083, 89726, 108647, 128401, 140998, 166166, 185339, 201773, 217294, 219037, 256802, 286433, 344201, 370678, 403546, 438074, 450109, 493493, 531947, 572866, 688402, 900218, 986986, 1063894, 1412411, 2409407, 2824822, 3150763, 3723629, 4818814, 5851417, 6301526, 7447258, 11702834, 40959919, 81919838]

約数ペア:

[(1, 81919838), (2, 40959919), (7, 11702834), (11, 7447258), (13, 6301526), (14, 5851417), (17, 4818814), (22, 3723629), (26, 3150763), (29, 2824822), (34, 2409407), (58, 1412411), (77, 1063894), (83, 986986), (91, 900218), (119, 688402), (143, 572866), (154, 531947), (166, 493493), (182, 450109), (187, 438074), (203, 403546), (221, 370678), (238, 344201), (286, 286433), (319, 256802), (374, 219037), (377, 217294), (406, 201773), (442, 185339), (493, 166166), (581, 140998), (638, 128401), (754, 108647), (913, 89726), (986, 83083), (1001, 81838), (1079, 75922), (1162, 70499), (1309, 62582), (1411, 58058), (1547, 52954), (1826, 44863), (2002, 40919), (2158, 37961), (2233, 36686), (2407, 34034), (2431, 33698), (2618, 31291), (2639, 31042), (2822, 29029), (3094, 26477), (3451, 23738), (4147, 19754), (4466, 18343), (4814, 17017), (4862, 16849), (5278, 15521), (5423, 15106), (6391, 12818), (6409, 12782), (6902, 11869), (7553, 10846), (8294, 9877)]