156640351

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 195776000

約数和(自身を除く): 39135649

約数列:

[1, 7, 19, 37, 133, 139, 229, 259, 703, 973, 1603, 2641, 4351, 4921, 5143, 8473, 18487, 30457, 31831, 36001, 59311, 97717, 160987, 222817, 604789, 684019, 1126909, 1177747, 4233523, 8244229, 22377193, 156640351]

約数ペア:

[(1, 156640351), (7, 22377193), (19, 8244229), (37, 4233523), (133, 1177747), (139, 1126909), (229, 684019), (259, 604789), (703, 222817), (973, 160987), (1603, 97717), (2641, 59311), (4351, 36001), (4921, 31831), (5143, 30457), (8473, 18487)]