12971904505

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{643}}^1\times {\mathrm{1229}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 18421542720

約数和(自身を除く): 5449638215

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 643, 1229, 2345, 3215, 3283, 4501, 6145, 8603, 16415, 22505, 31507, 43015, 43081, 60221, 82343, 157535, 215405, 301105, 301567, 411715, 576401, 790247, 1507835, 2110969, 2882005, 3951235, 4034807, 5531729, 10554845, 20174035, 27658645, 38722103, 52946549, 193610515, 264732745, 370625843, 1853129215, 2594380901, 12971904505]

約数ペア:

[(1, 12971904505), (5, 2594380901), (7, 1853129215), (35, 370625843), (49, 264732745), (67, 193610515), (245, 52946549), (335, 38722103), (469, 27658645), (643, 20174035), (1229, 10554845), (2345, 5531729), (3215, 4034807), (3283, 3951235), (4501, 2882005), (6145, 2110969), (8603, 1507835), (16415, 790247), (22505, 576401), (31507, 411715), (43015, 301567), (43081, 301105), (60221, 215405), (82343, 157535)]