15661760387

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:4001

約数の個数: 64

約数和(自身を含む): 21009408000

約数和(自身を除く): 5347647613

約数列:

[1, 7, 13, 29, 31, 49, 91, 203, 217, 343, 377, 403, 637, 899, 1421, 1519, 2639, 2821, 3907, 4459, 6293, 9947, 10633, 11687, 18473, 19747, 27349, 44051, 50791, 81809, 113303, 121117, 129311, 138229, 191443, 308357, 355537, 572663, 793121, 847819, 1340101, 1472939, 1574521, 2488759, 3512393, 4008641, 5551847, 5934733, 10310573, 11021647, 17421313, 24586751, 38862929, 41543131, 45661109, 72174011, 77151529, 172107257, 319627763, 505218077, 540060703, 1204750799, 2237394341, 15661760387]

約数ペア:

[(1, 15661760387), (7, 2237394341), (13, 1204750799), (29, 540060703), (31, 505218077), (49, 319627763), (91, 172107257), (203, 77151529), (217, 72174011), (343, 45661109), (377, 41543131), (403, 38862929), (637, 24586751), (899, 17421313), (1421, 11021647), (1519, 10310573), (2639, 5934733), (2821, 5551847), (3907, 4008641), (4459, 3512393), (6293, 2488759), (9947, 1574521), (10633, 1472939), (11687, 1340101), (18473, 847819), (19747, 793121), (27349, 572663), (44051, 355537), (50791, 308357), (81809, 191443), (113303, 138229), (121117, 129311)]