31980158

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2377}}^1$

素因数の和:2448

約数の個数: 24

約数和(自身を含む): 56672496

約数和(自身を除く): 24692338

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1922, 2377, 4754, 6727, 13454, 16639, 33278, 73687, 147374, 515809, 1031618, 2284297, 4568594, 15990079, 31980158]

約数ペア:

[(1, 31980158), (2, 15990079), (7, 4568594), (14, 2284297), (31, 1031618), (62, 515809), (217, 147374), (434, 73687), (961, 33278), (1922, 16639), (2377, 13454), (4754, 6727)]