1330999984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{21737}}^1$

素因数の和:21877

約数の個数: 40

約数和(自身を含む): 2668556880

約数和(自身を除く): 1337556896

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1424, 3827, 7654, 15308, 21737, 30616, 43474, 61232, 86948, 173896, 347792, 934691, 1869382, 1934593, 3738764, 3869186, 7477528, 7738372, 14955056, 15476744, 30953488, 83187499, 166374998, 332749996, 665499992, 1330999984]

約数ペア:

[(1, 1330999984), (2, 665499992), (4, 332749996), (8, 166374998), (16, 83187499), (43, 30953488), (86, 15476744), (89, 14955056), (172, 7738372), (178, 7477528), (344, 3869186), (356, 3738764), (688, 1934593), (712, 1869382), (1424, 934691), (3827, 347792), (7654, 173896), (15308, 86948), (21737, 61232), (30616, 43474)]