25705708

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 54611200

約数和(自身を除く): 28905492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 211, 229, 266, 422, 458, 532, 844, 916, 1477, 1603, 2954, 3206, 4009, 4351, 5908, 6412, 8018, 8702, 16036, 17404, 28063, 30457, 48319, 56126, 60914, 96638, 112252, 121828, 193276, 338233, 676466, 918061, 1352932, 1836122, 3672244, 6426427, 12852854, 25705708]

約数ペア:

[(1, 25705708), (2, 12852854), (4, 6426427), (7, 3672244), (14, 1836122), (19, 1352932), (28, 918061), (38, 676466), (76, 338233), (133, 193276), (211, 121828), (229, 112252), (266, 96638), (422, 60914), (458, 56126), (532, 48319), (844, 30457), (916, 28063), (1477, 17404), (1603, 16036), (2954, 8702), (3206, 8018), (4009, 6412), (4351, 5908)]