2688156784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{144961}}^1$

素因数の和:145049

約数の個数: 40

約数和(自身を含む): 5572339280

約数和(自身を除く): 2884182496

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 9272, 18544, 144961, 289922, 579844, 1159688, 2319376, 2754259, 5508518, 8842621, 11017036, 17685242, 22034072, 35370484, 44068144, 70740968, 141481936, 168009799, 336019598, 672039196, 1344078392, 2688156784]

約数ペア:

[(1, 2688156784), (2, 1344078392), (4, 672039196), (8, 336019598), (16, 168009799), (19, 141481936), (38, 70740968), (61, 44068144), (76, 35370484), (122, 22034072), (152, 17685242), (244, 11017036), (304, 8842621), (488, 5508518), (976, 2754259), (1159, 2319376), (2318, 1159688), (4636, 579844), (9272, 289922), (18544, 144961)]