212216904

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^2\times {\mathrm{2153}}^1$

素因数の和:2239

約数の個数: 72

約数和(自身を含む): 590982210

約数和(自身を除く): 378765306

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 1369, 2153, 2664, 2738, 4107, 4306, 5476, 6459, 8214, 8612, 10952, 12321, 12918, 16428, 17224, 19377, 24642, 25836, 32856, 38754, 49284, 51672, 77508, 79661, 98568, 155016, 159322, 238983, 318644, 477966, 637288, 716949, 955932, 1433898, 1911864, 2867796, 2947457, 5735592, 5894914, 8842371, 11789828, 17684742, 23579656, 26527113, 35369484, 53054226, 70738968, 106108452, 212216904]

約数ペア:

[(1, 212216904), (2, 106108452), (3, 70738968), (4, 53054226), (6, 35369484), (8, 26527113), (9, 23579656), (12, 17684742), (18, 11789828), (24, 8842371), (36, 5894914), (37, 5735592), (72, 2947457), (74, 2867796), (111, 1911864), (148, 1433898), (222, 955932), (296, 716949), (333, 637288), (444, 477966), (666, 318644), (888, 238983), (1332, 159322), (1369, 155016), (2153, 98568), (2664, 79661), (2738, 77508), (4107, 51672), (4306, 49284), (5476, 38754), (6459, 32856), (8214, 25836), (8612, 24642), (10952, 19377), (12321, 17224), (12918, 16428)]