68447918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 136512000

約数和(自身を除く): 68064082

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 149, 154, 157, 209, 266, 298, 314, 418, 1043, 1099, 1463, 1639, 1727, 2086, 2198, 2831, 2926, 2983, 3278, 3454, 5662, 5966, 11473, 12089, 19817, 20881, 22946, 23393, 24178, 31141, 32813, 39634, 41762, 46786, 62282, 65626, 163751, 217987, 229691, 257323, 327502, 435974, 444467, 459382, 514646, 888934, 1801261, 3111269, 3602522, 4889137, 6222538, 9778274, 34223959, 68447918]

約数ペア:

[(1, 68447918), (2, 34223959), (7, 9778274), (11, 6222538), (14, 4889137), (19, 3602522), (22, 3111269), (38, 1801261), (77, 888934), (133, 514646), (149, 459382), (154, 444467), (157, 435974), (209, 327502), (266, 257323), (298, 229691), (314, 217987), (418, 163751), (1043, 65626), (1099, 62282), (1463, 46786), (1639, 41762), (1727, 39634), (2086, 32813), (2198, 31141), (2831, 24178), (2926, 23393), (2983, 22946), (3278, 20881), (3454, 19817), (5662, 12089), (5966, 11473)]