31479378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 75644928

約数和(自身を除く): 44165550

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 222, 259, 282, 329, 431, 518, 658, 777, 862, 987, 1293, 1554, 1739, 1974, 2586, 3017, 3478, 5217, 6034, 9051, 10434, 12173, 15947, 18102, 20257, 24346, 31894, 36519, 40514, 47841, 60771, 73038, 95682, 111629, 121542, 141799, 223258, 283598, 334887, 425397, 669774, 749509, 850794, 1499018, 2248527, 4497054, 5246563, 10493126, 15739689, 31479378]

約数ペア:

[(1, 31479378), (2, 15739689), (3, 10493126), (6, 5246563), (7, 4497054), (14, 2248527), (21, 1499018), (37, 850794), (42, 749509), (47, 669774), (74, 425397), (94, 334887), (111, 283598), (141, 223258), (222, 141799), (259, 121542), (282, 111629), (329, 95682), (431, 73038), (518, 60771), (658, 47841), (777, 40514), (862, 36519), (987, 31894), (1293, 24346), (1554, 20257), (1739, 18102), (1974, 15947), (2586, 12173), (3017, 10434), (3478, 9051), (5217, 6034)]