1968400973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 2656530432

約数和(自身を除く): 688129459

約数列:

[1, 7, 11, 23, 53, 67, 77, 161, 253, 313, 371, 469, 583, 737, 1219, 1541, 1771, 2191, 3443, 3551, 4081, 5159, 7199, 8533, 10787, 13409, 16589, 16951, 20971, 24101, 24857, 39061, 50393, 79189, 81673, 93863, 116123, 118657, 146797, 182479, 230681, 273427, 381547, 482333, 554323, 571711, 898403, 1111463, 1277353, 1614767, 2670829, 3376331, 4197017, 5305663, 6288821, 7780241, 12226093, 25563649, 29379119, 37139641, 85582651, 178945543, 281200139, 1968400973]

約数ペア:

[(1, 1968400973), (7, 281200139), (11, 178945543), (23, 85582651), (53, 37139641), (67, 29379119), (77, 25563649), (161, 12226093), (253, 7780241), (313, 6288821), (371, 5305663), (469, 4197017), (583, 3376331), (737, 2670829), (1219, 1614767), (1541, 1277353), (1771, 1111463), (2191, 898403), (3443, 571711), (3551, 554323), (4081, 482333), (5159, 381547), (7199, 273427), (8533, 230681), (10787, 182479), (13409, 146797), (16589, 118657), (16951, 116123), (20971, 93863), (24101, 81673), (24857, 79189), (39061, 50393)]