87917788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 188294400

約数和(自身を除く): 100376612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 2801, 4484, 5602, 7847, 11204, 15694, 19607, 31388, 39214, 53219, 78428, 106438, 165259, 212876, 330518, 372533, 661036, 745066, 1156813, 1490132, 2313626, 3139921, 4627252, 6279842, 12559684, 21979447, 43958894, 87917788]

約数ペア:

[(1, 87917788), (2, 43958894), (4, 21979447), (7, 12559684), (14, 6279842), (19, 4627252), (28, 3139921), (38, 2313626), (59, 1490132), (76, 1156813), (118, 745066), (133, 661036), (236, 372533), (266, 330518), (413, 212876), (532, 165259), (826, 106438), (1121, 78428), (1652, 53219), (2242, 39214), (2801, 31388), (4484, 19607), (5602, 15694), (7847, 11204)]