251905008

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 693479424

約数和(自身を除く): 441574416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 127, 129, 172, 186, 248, 254, 258, 344, 372, 381, 496, 508, 516, 688, 744, 762, 961, 1016, 1032, 1333, 1488, 1524, 1922, 2032, 2064, 2666, 2883, 3048, 3844, 3937, 3999, 5332, 5461, 5766, 6096, 7688, 7874, 7998, 10664, 10922, 11532, 11811, 15376, 15748, 15996, 16383, 21328, 21844, 23064, 23622, 31496, 31992, 32766, 41323, 43688, 46128, 47244, 62992, 63984, 65532, 82646, 87376, 94488, 122047, 123969, 131064, 165292, 169291, 188976, 244094, 247938, 262128, 330584, 338582, 366141, 488188, 495876, 507873, 661168, 677164, 732282, 976376, 991752, 1015746, 1354328, 1464564, 1952752, 1983504, 2031492, 2708656, 2929128, 4062984, 5248021, 5858256, 8125968, 10496042, 15744063, 20992084, 31488126, 41984168, 62976252, 83968336, 125952504, 251905008]

約数ペア:

[(1, 251905008), (2, 125952504), (3, 83968336), (4, 62976252), (6, 41984168), (8, 31488126), (12, 20992084), (16, 15744063), (24, 10496042), (31, 8125968), (43, 5858256), (48, 5248021), (62, 4062984), (86, 2929128), (93, 2708656), (124, 2031492), (127, 1983504), (129, 1952752), (172, 1464564), (186, 1354328), (248, 1015746), (254, 991752), (258, 976376), (344, 732282), (372, 677164), (381, 661168), (496, 507873), (508, 495876), (516, 488188), (688, 366141), (744, 338582), (762, 330584), (961, 262128), (1016, 247938), (1032, 244094), (1333, 188976), (1488, 169291), (1524, 165292), (1922, 131064), (2032, 123969), (2064, 122047), (2666, 94488), (2883, 87376), (3048, 82646), (3844, 65532), (3937, 63984), (3999, 62992), (5332, 47244), (5461, 46128), (5766, 43688), (6096, 41323), (7688, 32766), (7874, 31992), (7998, 31496), (10664, 23622), (10922, 23064), (11532, 21844), (11811, 21328), (15376, 16383), (15748, 15996)]