156979347917

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{216211}}^1$

素因数の和:216393

約数の個数: 32

約数和(自身を含む): 194279454720

約数和(自身を除く): 37300106803

約数列:

[1, 7, 19, 53, 103, 133, 371, 721, 1007, 1957, 5459, 7049, 13699, 38213, 103721, 216211, 726047, 1513477, 4108009, 11459183, 22269733, 28756063, 80214281, 155888131, 217724477, 423124927, 1180295849, 1524071339, 2961874489, 8262070943, 22425621131, 156979347917]

約数ペア:

[(1, 156979347917), (7, 22425621131), (19, 8262070943), (53, 2961874489), (103, 1524071339), (133, 1180295849), (371, 423124927), (721, 217724477), (1007, 155888131), (1957, 80214281), (5459, 28756063), (7049, 22269733), (13699, 11459183), (38213, 4108009), (103721, 1513477), (216211, 726047)]