168538763788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{431191}}^1$

素因数の和:431390

約数の個数: 48

約数和(自身を含む): 321151801600

約数和(自身を除く): 152613037812

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 139, 148, 278, 556, 703, 1406, 2641, 2812, 5143, 5282, 10286, 10564, 20572, 97717, 195434, 390868, 431191, 862382, 1724764, 8192629, 15954067, 16385258, 31908134, 32770516, 59935549, 63816268, 119871098, 239742196, 303127273, 606254546, 1138775431, 1212509092, 2217615313, 2277550862, 4435230626, 4555101724, 8870461252, 42134690947, 84269381894, 168538763788]

約数ペア:

[(1, 168538763788), (2, 84269381894), (4, 42134690947), (19, 8870461252), (37, 4555101724), (38, 4435230626), (74, 2277550862), (76, 2217615313), (139, 1212509092), (148, 1138775431), (278, 606254546), (556, 303127273), (703, 239742196), (1406, 119871098), (2641, 63816268), (2812, 59935549), (5143, 32770516), (5282, 31908134), (10286, 16385258), (10564, 15954067), (20572, 8192629), (97717, 1724764), (195434, 862382), (390868, 431191)]