31521792016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{142031}}^1$

素因数の和:142160

約数の個数: 80

約数和(自身を含む): 72490860288

約数和(自身を除く): 40969068272

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 97, 104, 143, 176, 194, 208, 286, 388, 572, 776, 1067, 1144, 1261, 1552, 2134, 2288, 2522, 4268, 5044, 8536, 10088, 13871, 17072, 20176, 27742, 55484, 110968, 142031, 221936, 284062, 568124, 1136248, 1562341, 1846403, 2272496, 3124682, 3692806, 6249364, 7385612, 12498728, 13777007, 14771224, 20310433, 24997456, 27554014, 29542448, 40620866, 55108028, 81241732, 110216056, 151547077, 162483464, 179101091, 220432112, 303094154, 324966928, 358202182, 606188308, 716404364, 1212376616, 1432808728, 1970112001, 2424753232, 2865617456, 3940224002, 7880448004, 15760896008, 31521792016]

約数ペア:

[(1, 31521792016), (2, 15760896008), (4, 7880448004), (8, 3940224002), (11, 2865617456), (13, 2424753232), (16, 1970112001), (22, 1432808728), (26, 1212376616), (44, 716404364), (52, 606188308), (88, 358202182), (97, 324966928), (104, 303094154), (143, 220432112), (176, 179101091), (194, 162483464), (208, 151547077), (286, 110216056), (388, 81241732), (572, 55108028), (776, 40620866), (1067, 29542448), (1144, 27554014), (1261, 24997456), (1552, 20310433), (2134, 14771224), (2288, 13777007), (2522, 12498728), (4268, 7385612), (5044, 6249364), (8536, 3692806), (10088, 3124682), (13871, 2272496), (17072, 1846403), (20176, 1562341), (27742, 1136248), (55484, 568124), (110968, 284062), (142031, 221936)]