201949993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 249891840

約数和(自身を除く): 47941847

約数列:

[1, 7, 19, 67, 131, 133, 173, 469, 917, 1211, 1273, 2489, 3287, 8777, 8911, 11591, 17423, 22663, 23009, 61439, 81137, 158641, 166763, 220229, 430597, 1167341, 1518421, 1541603, 3014179, 10628947, 28849999, 201949993]

約数ペア:

[(1, 201949993), (7, 28849999), (19, 10628947), (67, 3014179), (131, 1541603), (133, 1518421), (173, 1167341), (469, 430597), (917, 220229), (1211, 166763), (1273, 158641), (2489, 81137), (3287, 61439), (8777, 23009), (8911, 22663), (11591, 17423)]