991116

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 120

約数和(自身を含む): 3252480

約数和(自身を除く): 2261364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 27, 28, 36, 38, 42, 46, 54, 57, 63, 69, 76, 81, 84, 92, 108, 114, 126, 133, 138, 161, 162, 171, 189, 207, 228, 252, 266, 276, 322, 324, 342, 378, 399, 414, 437, 483, 513, 532, 567, 621, 644, 684, 756, 798, 828, 874, 966, 1026, 1134, 1197, 1242, 1311, 1449, 1539, 1596, 1748, 1863, 1932, 2052, 2268, 2394, 2484, 2622, 2898, 3059, 3078, 3591, 3726, 3933, 4347, 4788, 5244, 5796, 6118, 6156, 7182, 7452, 7866, 8694, 9177, 10773, 11799, 12236, 13041, 14364, 15732, 17388, 18354, 21546, 23598, 26082, 27531, 35397, 36708, 43092, 47196, 52164, 55062, 70794, 82593, 110124, 141588, 165186, 247779, 330372, 495558, 991116]

約数ペア:

[(1, 991116), (2, 495558), (3, 330372), (4, 247779), (6, 165186), (7, 141588), (9, 110124), (12, 82593), (14, 70794), (18, 55062), (19, 52164), (21, 47196), (23, 43092), (27, 36708), (28, 35397), (36, 27531), (38, 26082), (42, 23598), (46, 21546), (54, 18354), (57, 17388), (63, 15732), (69, 14364), (76, 13041), (81, 12236), (84, 11799), (92, 10773), (108, 9177), (114, 8694), (126, 7866), (133, 7452), (138, 7182), (161, 6156), (162, 6118), (171, 5796), (189, 5244), (207, 4788), (228, 4347), (252, 3933), (266, 3726), (276, 3591), (322, 3078), (324, 3059), (342, 2898), (378, 2622), (399, 2484), (414, 2394), (437, 2268), (483, 2052), (513, 1932), (532, 1863), (567, 1748), (621, 1596), (644, 1539), (684, 1449), (756, 1311), (798, 1242), (828, 1197), (874, 1134), (966, 1026)]