991136216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 2334720000

約数和(自身を除く): 1343583784

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 151, 152, 199, 217, 248, 266, 302, 398, 434, 532, 589, 604, 796, 868, 1057, 1064, 1178, 1208, 1393, 1592, 1736, 2114, 2356, 2786, 2869, 3781, 4123, 4228, 4681, 4712, 5572, 5738, 6169, 7562, 8246, 8456, 9362, 11144, 11476, 12338, 15124, 16492, 18724, 20083, 22952, 24676, 26467, 30049, 30248, 32767, 32984, 37448, 40166, 43183, 49352, 52934, 60098, 65534, 80332, 86366, 88939, 105868, 117211, 120196, 131068, 160664, 172732, 177878, 210343, 211736, 234422, 240392, 262136, 345464, 355756, 420686, 468844, 570931, 622573, 711512, 820477, 841372, 931519, 937688, 1141862, 1245146, 1640954, 1682744, 1863038, 2283724, 2490292, 3281908, 3726076, 3996517, 4567448, 4980584, 6520633, 6563816, 7452152, 7993034, 13041266, 15986068, 17698861, 26082532, 31972136, 35397722, 52165064, 70795444, 123892027, 141590888, 247784054, 495568108, 991136216]

約数ペア:

[(1, 991136216), (2, 495568108), (4, 247784054), (7, 141590888), (8, 123892027), (14, 70795444), (19, 52165064), (28, 35397722), (31, 31972136), (38, 26082532), (56, 17698861), (62, 15986068), (76, 13041266), (124, 7993034), (133, 7452152), (151, 6563816), (152, 6520633), (199, 4980584), (217, 4567448), (248, 3996517), (266, 3726076), (302, 3281908), (398, 2490292), (434, 2283724), (532, 1863038), (589, 1682744), (604, 1640954), (796, 1245146), (868, 1141862), (1057, 937688), (1064, 931519), (1178, 841372), (1208, 820477), (1393, 711512), (1592, 622573), (1736, 570931), (2114, 468844), (2356, 420686), (2786, 355756), (2869, 345464), (3781, 262136), (4123, 240392), (4228, 234422), (4681, 211736), (4712, 210343), (5572, 177878), (5738, 172732), (6169, 160664), (7562, 131068), (8246, 120196), (8456, 117211), (9362, 105868), (11144, 88939), (11476, 86366), (12338, 80332), (15124, 65534), (16492, 60098), (18724, 52934), (20083, 49352), (22952, 43183), (24676, 40166), (26467, 37448), (30049, 32984), (30248, 32767)]