27978564

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 71401120

約数和(自身を除く): 43422556

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 73, 76, 82, 114, 123, 146, 164, 219, 228, 246, 292, 438, 492, 779, 876, 1387, 1558, 1681, 2337, 2774, 2993, 3116, 3362, 4161, 4674, 5043, 5548, 5986, 6724, 8322, 8979, 9348, 10086, 11972, 16644, 17958, 20172, 31939, 35916, 56867, 63878, 95817, 113734, 122713, 127756, 170601, 191634, 227468, 245426, 341202, 368139, 383268, 490852, 682404, 736278, 1472556, 2331547, 4663094, 6994641, 9326188, 13989282, 27978564]

約数ペア:

[(1, 27978564), (2, 13989282), (3, 9326188), (4, 6994641), (6, 4663094), (12, 2331547), (19, 1472556), (38, 736278), (41, 682404), (57, 490852), (73, 383268), (76, 368139), (82, 341202), (114, 245426), (123, 227468), (146, 191634), (164, 170601), (219, 127756), (228, 122713), (246, 113734), (292, 95817), (438, 63878), (492, 56867), (779, 35916), (876, 31939), (1387, 20172), (1558, 17958), (1681, 16644), (2337, 11972), (2774, 10086), (2993, 9348), (3116, 8979), (3362, 8322), (4161, 6724), (4674, 5986), (5043, 5548)]