12821224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 27498240

約数和(自身を除く): 14677016

約数列:

[1, 2, 4, 8, 13, 26, 43, 47, 52, 61, 86, 94, 104, 122, 172, 188, 244, 344, 376, 488, 559, 611, 793, 1118, 1222, 1586, 2021, 2236, 2444, 2623, 2867, 3172, 4042, 4472, 4888, 5246, 5734, 6344, 8084, 10492, 11468, 16168, 20984, 22936, 26273, 34099, 37271, 52546, 68198, 74542, 105092, 123281, 136396, 149084, 210184, 246562, 272792, 298168, 493124, 986248, 1602653, 3205306, 6410612, 12821224]

約数ペア:

[(1, 12821224), (2, 6410612), (4, 3205306), (8, 1602653), (13, 986248), (26, 493124), (43, 298168), (47, 272792), (52, 246562), (61, 210184), (86, 149084), (94, 136396), (104, 123281), (122, 105092), (172, 74542), (188, 68198), (244, 52546), (344, 37271), (376, 34099), (488, 26273), (559, 22936), (611, 20984), (793, 16168), (1118, 11468), (1222, 10492), (1586, 8084), (2021, 6344), (2236, 5734), (2444, 5246), (2623, 4888), (2867, 4472), (3172, 4042)]