180728156

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379681}}^1$

素因数の和:379709

約数の個数: 24

約数和(自身を含む): 382719456

約数和(自身を除く): 201991300

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 379681, 759362, 1518724, 2657767, 5315534, 6454577, 10631068, 12909154, 25818308, 45182039, 90364078, 180728156]

約数ペア:

[(1, 180728156), (2, 90364078), (4, 45182039), (7, 25818308), (14, 12909154), (17, 10631068), (28, 6454577), (34, 5315534), (68, 2657767), (119, 1518724), (238, 759362), (476, 379681)]