991590658

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{5839}}^1$

素因数の和:6010

約数の個数: 32

約数和(自身を含む): 1618848000

約数和(自身を除く): 627257342

約数列:

[1, 2, 19, 38, 41, 82, 109, 218, 779, 1558, 2071, 4142, 4469, 5839, 8938, 11678, 84911, 110941, 169822, 221882, 239399, 478798, 636451, 1272902, 4548581, 9097162, 12092569, 24185138, 26094491, 52188982, 495795329, 991590658]

約数ペア:

[(1, 991590658), (2, 495795329), (19, 52188982), (38, 26094491), (41, 24185138), (82, 12092569), (109, 9097162), (218, 4548581), (779, 1272902), (1558, 636451), (2071, 478798), (4142, 239399), (4469, 221882), (5839, 169822), (8938, 110941), (11678, 84911)]