87981858

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 194029056

約数和(自身を除く): 106047198

約数列:

[1, 2, 3, 6, 9, 18, 157, 163, 191, 314, 326, 382, 471, 489, 573, 942, 978, 1146, 1413, 1467, 1719, 2826, 2934, 3438, 25591, 29987, 31133, 51182, 59974, 62266, 76773, 89961, 93399, 153546, 179922, 186798, 230319, 269883, 280197, 460638, 539766, 560394, 4887881, 9775762, 14663643, 29327286, 43990929, 87981858]

約数ペア:

[(1, 87981858), (2, 43990929), (3, 29327286), (6, 14663643), (9, 9775762), (18, 4887881), (157, 560394), (163, 539766), (191, 460638), (314, 280197), (326, 269883), (382, 230319), (471, 186798), (489, 179922), (573, 153546), (942, 93399), (978, 89961), (1146, 76773), (1413, 62266), (1467, 59974), (1719, 51182), (2826, 31133), (2934, 29987), (3438, 25591)]