131720008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2954

約数の個数: 64

約数和(自身を含む): 304128000

約数和(自身を除く): 172407992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 532, 602, 817, 1064, 1204, 1634, 2408, 2879, 3268, 5719, 5758, 6536, 11438, 11516, 20153, 22876, 23032, 40306, 45752, 54701, 80612, 109402, 123797, 161224, 218804, 247594, 382907, 437608, 495188, 765814, 866579, 990376, 1531628, 1733158, 2352143, 3063256, 3466316, 4704286, 6932632, 9408572, 16465001, 18817144, 32930002, 65860004, 131720008]

約数ペア:

[(1, 131720008), (2, 65860004), (4, 32930002), (7, 18817144), (8, 16465001), (14, 9408572), (19, 6932632), (28, 4704286), (38, 3466316), (43, 3063256), (56, 2352143), (76, 1733158), (86, 1531628), (133, 990376), (152, 866579), (172, 765814), (266, 495188), (301, 437608), (344, 382907), (532, 247594), (602, 218804), (817, 161224), (1064, 123797), (1204, 109402), (1634, 80612), (2408, 54701), (2879, 45752), (3268, 40306), (5719, 23032), (5758, 22876), (6536, 20153), (11438, 11516)]