1721167312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 3604055040

約数和(自身を除く): 1882887728

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 173, 272, 316, 346, 463, 632, 692, 926, 1264, 1343, 1384, 1852, 2686, 2768, 2941, 3704, 5372, 5882, 7408, 7871, 10744, 11764, 13667, 15742, 21488, 23528, 27334, 31484, 36577, 47056, 54668, 62968, 73154, 80099, 109336, 125936, 146308, 160198, 218672, 232339, 292616, 320396, 464678, 585232, 621809, 640792, 929356, 1243618, 1281584, 1361683, 1858712, 2487236, 2723366, 3717424, 4974472, 5446732, 6327821, 9948944, 10893464, 12655642, 21786928, 25311284, 50622568, 101245136, 107572957, 215145914, 430291828, 860583656, 1721167312]

約数ペア:

[(1, 1721167312), (2, 860583656), (4, 430291828), (8, 215145914), (16, 107572957), (17, 101245136), (34, 50622568), (68, 25311284), (79, 21786928), (136, 12655642), (158, 10893464), (173, 9948944), (272, 6327821), (316, 5446732), (346, 4974472), (463, 3717424), (632, 2723366), (692, 2487236), (926, 1858712), (1264, 1361683), (1343, 1281584), (1384, 1243618), (1852, 929356), (2686, 640792), (2768, 621809), (2941, 585232), (3704, 464678), (5372, 320396), (5882, 292616), (7408, 232339), (7871, 218672), (10744, 160198), (11764, 146308), (13667, 125936), (15742, 109336), (21488, 80099), (23528, 73154), (27334, 62968), (31484, 54668), (36577, 47056)]