206989156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 407695680

約数和(自身を除く): 200706524

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 179, 358, 451, 641, 716, 902, 1282, 1804, 1969, 2564, 3938, 7051, 7339, 7876, 14102, 14678, 26281, 28204, 29356, 52562, 80729, 105124, 114739, 161458, 229478, 289091, 322916, 458956, 578182, 1156364, 1262129, 2524258, 4704299, 5048516, 9408598, 18817196, 51747289, 103494578, 206989156]

約数ペア:

[(1, 206989156), (2, 103494578), (4, 51747289), (11, 18817196), (22, 9408598), (41, 5048516), (44, 4704299), (82, 2524258), (164, 1262129), (179, 1156364), (358, 578182), (451, 458956), (641, 322916), (716, 289091), (902, 229478), (1282, 161458), (1804, 114739), (1969, 105124), (2564, 80729), (3938, 52562), (7051, 29356), (7339, 28204), (7876, 26281), (14102, 14678)]