81907784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3347}}^1$

素因数の和:3402

約数の個数: 64

約数和(自身を含む): 192844800

約数和(自身を除く): 110937016

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 874, 1064, 1288, 1748, 3059, 3347, 3496, 6118, 6694, 12236, 13388, 23429, 24472, 26776, 46858, 63593, 76981, 93716, 127186, 153962, 187432, 254372, 307924, 445151, 508744, 538867, 615848, 890302, 1077734, 1462639, 1780604, 2155468, 2925278, 3561208, 4310936, 5850556, 10238473, 11701112, 20476946, 40953892, 81907784]

約数ペア:

[(1, 81907784), (2, 40953892), (4, 20476946), (7, 11701112), (8, 10238473), (14, 5850556), (19, 4310936), (23, 3561208), (28, 2925278), (38, 2155468), (46, 1780604), (56, 1462639), (76, 1077734), (92, 890302), (133, 615848), (152, 538867), (161, 508744), (184, 445151), (266, 307924), (322, 254372), (437, 187432), (532, 153962), (644, 127186), (874, 93716), (1064, 76981), (1288, 63593), (1748, 46858), (3059, 26776), (3347, 24472), (3496, 23429), (6118, 13388), (6694, 12236)]