213522876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2113}}^1$

素因数の和:2531

約数の個数: 72

約数和(自身を含む): 618674784

約数和(自身を除く): 405151908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 401, 802, 1203, 1604, 2113, 2406, 2807, 3609, 4226, 4812, 5614, 6339, 7218, 8421, 8452, 11228, 12678, 14436, 14791, 16842, 19017, 25263, 25356, 29582, 33684, 38034, 44373, 50526, 59164, 76068, 88746, 101052, 133119, 177492, 266238, 532476, 847313, 1694626, 2541939, 3389252, 5083878, 5931191, 7625817, 10167756, 11862382, 15251634, 17793573, 23724764, 30503268, 35587146, 53380719, 71174292, 106761438, 213522876]

約数ペア:

[(1, 213522876), (2, 106761438), (3, 71174292), (4, 53380719), (6, 35587146), (7, 30503268), (9, 23724764), (12, 17793573), (14, 15251634), (18, 11862382), (21, 10167756), (28, 7625817), (36, 5931191), (42, 5083878), (63, 3389252), (84, 2541939), (126, 1694626), (252, 847313), (401, 532476), (802, 266238), (1203, 177492), (1604, 133119), (2113, 101052), (2406, 88746), (2807, 76068), (3609, 59164), (4226, 50526), (4812, 44373), (5614, 38034), (6339, 33684), (7218, 29582), (8421, 25356), (8452, 25263), (11228, 19017), (12678, 16842), (14436, 14791)]