1397934832

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{402631}}^1$

素因数の和:402677

約数の個数: 40

約数和(自身を含む): 3195287552

約数和(自身を除く): 1797352720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 402631, 805262, 1610524, 2818417, 3221048, 5636834, 6442096, 11273668, 12481561, 22547336, 24963122, 45094672, 49926244, 87370927, 99852488, 174741854, 199704976, 349483708, 698967416, 1397934832]

約数ペア:

[(1, 1397934832), (2, 698967416), (4, 349483708), (7, 199704976), (8, 174741854), (14, 99852488), (16, 87370927), (28, 49926244), (31, 45094672), (56, 24963122), (62, 22547336), (112, 12481561), (124, 11273668), (217, 6442096), (248, 5636834), (434, 3221048), (496, 2818417), (868, 1610524), (1736, 805262), (3472, 402631)]