78396568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{653}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 151074000

約数和(自身を除く): 72677432

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 349, 653, 698, 1306, 1396, 2612, 2792, 5224, 15007, 28079, 30014, 56158, 60028, 112316, 120056, 224632, 227897, 455794, 911588, 1823176, 9799571, 19599142, 39198284, 78396568]

約数ペア:

[(1, 78396568), (2, 39198284), (4, 19599142), (8, 9799571), (43, 1823176), (86, 911588), (172, 455794), (344, 227897), (349, 224632), (653, 120056), (698, 112316), (1306, 60028), (1396, 56158), (2612, 30014), (2792, 28079), (5224, 15007)]