219746988

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 568058400

約数和(自身を除く): 348311412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 149, 213, 284, 298, 426, 447, 577, 596, 639, 852, 894, 1154, 1278, 1341, 1731, 1788, 2308, 2556, 2682, 3462, 5193, 5364, 6924, 10386, 10579, 20772, 21158, 31737, 40967, 42316, 63474, 81934, 85973, 95211, 122901, 126948, 163868, 171946, 190422, 245802, 257919, 343892, 368703, 380844, 491604, 515838, 737406, 773757, 1031676, 1474812, 1547514, 3095028, 6104083, 12208166, 18312249, 24416332, 36624498, 54936747, 73248996, 109873494, 219746988]

約数ペア:

[(1, 219746988), (2, 109873494), (3, 73248996), (4, 54936747), (6, 36624498), (9, 24416332), (12, 18312249), (18, 12208166), (36, 6104083), (71, 3095028), (142, 1547514), (149, 1474812), (213, 1031676), (284, 773757), (298, 737406), (426, 515838), (447, 491604), (577, 380844), (596, 368703), (639, 343892), (852, 257919), (894, 245802), (1154, 190422), (1278, 171946), (1341, 163868), (1731, 126948), (1788, 122901), (2308, 95211), (2556, 85973), (2682, 81934), (3462, 63474), (5193, 42316), (5364, 40967), (6924, 31737), (10386, 21158), (10579, 20772)]