1797921818

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 3662168832

約数和(自身を除く): 1864247014

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 67, 73, 77, 98, 121, 134, 146, 154, 217, 242, 341, 434, 469, 511, 539, 682, 737, 803, 847, 938, 1022, 1078, 1474, 1519, 1606, 1694, 2077, 2263, 2387, 3038, 3283, 3577, 3751, 4154, 4526, 4774, 4891, 5159, 5621, 5929, 6566, 7154, 7502, 8107, 8833, 9782, 10318, 11242, 11858, 14539, 15841, 16214, 16709, 17666, 22847, 24893, 26257, 29078, 31682, 33418, 34237, 36113, 39347, 45694, 49786, 52514, 53801, 56749, 61831, 68474, 72226, 78694, 101773, 107602, 110887, 113498, 123662, 151621, 159929, 174251, 183799, 203546, 221774, 239659, 251317, 273823, 303242, 319858, 348502, 367598, 376607, 397243, 432817, 479318, 502634, 547646, 591811, 753214, 794486, 865634, 1061347, 1119503, 1183622, 1219757, 1667831, 1759219, 1916761, 2122694, 2239006, 2439514, 2636249, 3335662, 3518438, 3833522, 4142677, 5272498, 7429429, 8285354, 11674817, 12314533, 13417327, 14858858, 18346141, 23349634, 24629066, 26834654, 28998739, 36692282, 57997478, 81723719, 128422987, 163447438, 256845974, 898960909, 1797921818]

約数ペア:

[(1, 1797921818), (2, 898960909), (7, 256845974), (11, 163447438), (14, 128422987), (22, 81723719), (31, 57997478), (49, 36692282), (62, 28998739), (67, 26834654), (73, 24629066), (77, 23349634), (98, 18346141), (121, 14858858), (134, 13417327), (146, 12314533), (154, 11674817), (217, 8285354), (242, 7429429), (341, 5272498), (434, 4142677), (469, 3833522), (511, 3518438), (539, 3335662), (682, 2636249), (737, 2439514), (803, 2239006), (847, 2122694), (938, 1916761), (1022, 1759219), (1078, 1667831), (1474, 1219757), (1519, 1183622), (1606, 1119503), (1694, 1061347), (2077, 865634), (2263, 794486), (2387, 753214), (3038, 591811), (3283, 547646), (3577, 502634), (3751, 479318), (4154, 432817), (4526, 397243), (4774, 376607), (4891, 367598), (5159, 348502), (5621, 319858), (5929, 303242), (6566, 273823), (7154, 251317), (7502, 239659), (8107, 221774), (8833, 203546), (9782, 183799), (10318, 174251), (11242, 159929), (11858, 151621), (14539, 123662), (15841, 113498), (16214, 110887), (16709, 107602), (17666, 101773), (22847, 78694), (24893, 72226), (26257, 68474), (29078, 61831), (31682, 56749), (33418, 53801), (34237, 52514), (36113, 49786), (39347, 45694)]