2180388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 5894784

約数和(自身を除く): 3714396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 257, 303, 404, 514, 606, 707, 771, 1028, 1212, 1414, 1542, 1799, 2121, 2828, 3084, 3598, 4242, 5397, 7196, 8484, 10794, 21588, 25957, 51914, 77871, 103828, 155742, 181699, 311484, 363398, 545097, 726796, 1090194, 2180388]

約数ペア:

[(1, 2180388), (2, 1090194), (3, 726796), (4, 545097), (6, 363398), (7, 311484), (12, 181699), (14, 155742), (21, 103828), (28, 77871), (42, 51914), (84, 25957), (101, 21588), (202, 10794), (257, 8484), (303, 7196), (404, 5397), (514, 4242), (606, 3598), (707, 3084), (771, 2828), (1028, 2121), (1212, 1799), (1414, 1542)]