991982628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15937}}^1$

素因数の和:15986

約数の個数: 144

約数和(自身を含む): 3248801920

約数和(自身を除く): 2256819292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3458, 4446, 4788, 5187, 6916, 8892, 10374, 15561, 15937, 20748, 31122, 31874, 47811, 62244, 63748, 95622, 111559, 143433, 191244, 207181, 223118, 286866, 302803, 334677, 414362, 446236, 573732, 605606, 621543, 669354, 828724, 908409, 1004031, 1211212, 1243086, 1338708, 1450267, 1816818, 1864629, 2008062, 2119621, 2486172, 2725227, 2900534, 3633636, 3729258, 3936439, 4016124, 4239242, 4350801, 5450454, 5801068, 6358863, 7458516, 7872878, 8478484, 8701602, 10900908, 11809317, 12717726, 13052403, 15745756, 17403204, 19076589, 23618634, 25435452, 26104806, 27555073, 35427951, 38153178, 47237268, 52209612, 55110146, 70855902, 76306356, 82665219, 110220292, 141711804, 165330438, 247995657, 330660876, 495991314, 991982628]

約数ペア:

[(1, 991982628), (2, 495991314), (3, 330660876), (4, 247995657), (6, 165330438), (7, 141711804), (9, 110220292), (12, 82665219), (13, 76306356), (14, 70855902), (18, 55110146), (19, 52209612), (21, 47237268), (26, 38153178), (28, 35427951), (36, 27555073), (38, 26104806), (39, 25435452), (42, 23618634), (52, 19076589), (57, 17403204), (63, 15745756), (76, 13052403), (78, 12717726), (84, 11809317), (91, 10900908), (114, 8701602), (117, 8478484), (126, 7872878), (133, 7458516), (156, 6358863), (171, 5801068), (182, 5450454), (228, 4350801), (234, 4239242), (247, 4016124), (252, 3936439), (266, 3729258), (273, 3633636), (342, 2900534), (364, 2725227), (399, 2486172), (468, 2119621), (494, 2008062), (532, 1864629), (546, 1816818), (684, 1450267), (741, 1338708), (798, 1243086), (819, 1211212), (988, 1004031), (1092, 908409), (1197, 828724), (1482, 669354), (1596, 621543), (1638, 605606), (1729, 573732), (2223, 446236), (2394, 414362), (2964, 334677), (3276, 302803), (3458, 286866), (4446, 223118), (4788, 207181), (5187, 191244), (6916, 143433), (8892, 111559), (10374, 95622), (15561, 63748), (15937, 62244), (20748, 47811), (31122, 31874)]