81420416

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^2\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 96

約数和(自身を含む): 204032640

約数和(自身を除く): 122612224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 121, 128, 154, 176, 224, 242, 308, 352, 448, 484, 616, 704, 751, 847, 896, 968, 1232, 1408, 1502, 1694, 1936, 2464, 3004, 3388, 3872, 4928, 5257, 6008, 6776, 7744, 8261, 9856, 10514, 12016, 13552, 15488, 16522, 21028, 24032, 27104, 33044, 42056, 48064, 54208, 57827, 66088, 84112, 90871, 96128, 108416, 115654, 132176, 168224, 181742, 231308, 264352, 336448, 363484, 462616, 528704, 636097, 672896, 726968, 925232, 1057408, 1272194, 1453936, 1850464, 2544388, 2907872, 3700928, 5088776, 5815744, 7401856, 10177552, 11631488, 20355104, 40710208, 81420416]

約数ペア:

[(1, 81420416), (2, 40710208), (4, 20355104), (7, 11631488), (8, 10177552), (11, 7401856), (14, 5815744), (16, 5088776), (22, 3700928), (28, 2907872), (32, 2544388), (44, 1850464), (56, 1453936), (64, 1272194), (77, 1057408), (88, 925232), (112, 726968), (121, 672896), (128, 636097), (154, 528704), (176, 462616), (224, 363484), (242, 336448), (308, 264352), (352, 231308), (448, 181742), (484, 168224), (616, 132176), (704, 115654), (751, 108416), (847, 96128), (896, 90871), (968, 84112), (1232, 66088), (1408, 57827), (1502, 54208), (1694, 48064), (1936, 42056), (2464, 33044), (3004, 27104), (3388, 24032), (3872, 21028), (4928, 16522), (5257, 15488), (6008, 13552), (6776, 12016), (7744, 10514), (8261, 9856)]