7987216

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 16070400

約数和(自身を除く): 8083184

約数列:

[1, 2, 4, 8, 16, 71, 79, 89, 142, 158, 178, 284, 316, 356, 568, 632, 712, 1136, 1264, 1424, 5609, 6319, 7031, 11218, 12638, 14062, 22436, 25276, 28124, 44872, 50552, 56248, 89744, 101104, 112496, 499201, 998402, 1996804, 3993608, 7987216]

約数ペア:

[(1, 7987216), (2, 3993608), (4, 1996804), (8, 998402), (16, 499201), (71, 112496), (79, 101104), (89, 89744), (142, 56248), (158, 50552), (178, 44872), (284, 28124), (316, 25276), (356, 22436), (568, 14062), (632, 12638), (712, 11218), (1136, 7031), (1264, 6319), (1424, 5609)]