1991036551664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{487783}}^1$

素因数の和:488302

約数の個数: 80

約数和(自身を含む): 4209771033600

約数和(自身を除く): 2218734481936

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 463, 464, 551, 926, 1102, 1852, 2204, 3704, 4408, 7408, 8797, 8816, 13427, 17594, 26854, 35188, 53708, 70376, 107416, 140752, 214832, 255113, 487783, 510226, 975566, 1020452, 1951132, 2040904, 3902264, 4081808, 7804528, 9267877, 14145707, 18535754, 28291414, 37071508, 56582828, 74143016, 113165656, 148286032, 225843529, 226331312, 268768433, 451687058, 537536866, 903374116, 1075073732, 1806748232, 2150147464, 3613496464, 4291027051, 4300294928, 6549462341, 8582054102, 13098924682, 17164108204, 26197849364, 34328216408, 52395698728, 68656432816, 104791397456, 124439784479, 248879568958, 497759137916, 995518275832, 1991036551664]

約数ペア:

[(1, 1991036551664), (2, 995518275832), (4, 497759137916), (8, 248879568958), (16, 124439784479), (19, 104791397456), (29, 68656432816), (38, 52395698728), (58, 34328216408), (76, 26197849364), (116, 17164108204), (152, 13098924682), (232, 8582054102), (304, 6549462341), (463, 4300294928), (464, 4291027051), (551, 3613496464), (926, 2150147464), (1102, 1806748232), (1852, 1075073732), (2204, 903374116), (3704, 537536866), (4408, 451687058), (7408, 268768433), (8797, 226331312), (8816, 225843529), (13427, 148286032), (17594, 113165656), (26854, 74143016), (35188, 56582828), (53708, 37071508), (70376, 28291414), (107416, 18535754), (140752, 14145707), (214832, 9267877), (255113, 7804528), (487783, 4081808), (510226, 3902264), (975566, 2040904), (1020452, 1951132)]