208163564

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 441262080

約数和(自身を除く): 233098516

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 59, 94, 98, 118, 188, 196, 236, 329, 383, 413, 658, 766, 826, 1316, 1532, 1652, 2303, 2681, 2773, 2891, 4606, 5362, 5546, 5782, 9212, 10724, 11092, 11564, 18001, 18767, 19411, 22597, 36002, 37534, 38822, 45194, 72004, 75068, 77644, 90388, 126007, 135877, 158179, 252014, 271754, 316358, 504028, 543508, 632716, 882049, 1062059, 1107253, 1764098, 2124118, 2214506, 3528196, 4248236, 4429012, 7434413, 14868826, 29737652, 52040891, 104081782, 208163564]

約数ペア:

[(1, 208163564), (2, 104081782), (4, 52040891), (7, 29737652), (14, 14868826), (28, 7434413), (47, 4429012), (49, 4248236), (59, 3528196), (94, 2214506), (98, 2124118), (118, 1764098), (188, 1107253), (196, 1062059), (236, 882049), (329, 632716), (383, 543508), (413, 504028), (658, 316358), (766, 271754), (826, 252014), (1316, 158179), (1532, 135877), (1652, 126007), (2303, 90388), (2681, 77644), (2773, 75068), (2891, 72004), (4606, 45194), (5362, 38822), (5546, 37534), (5782, 36002), (9212, 22597), (10724, 19411), (11092, 18767), (11564, 18001)]