25187407

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 7068593

約数列:

[1, 7, 19, 31, 41, 133, 149, 217, 287, 589, 779, 1043, 1271, 2831, 4123, 4619, 5453, 6109, 8897, 19817, 24149, 32333, 42763, 87761, 116071, 169043, 189379, 614327, 812497, 1325653, 3598201, 25187407]

約数ペア:

[(1, 25187407), (7, 3598201), (19, 1325653), (31, 812497), (41, 614327), (133, 189379), (149, 169043), (217, 116071), (287, 87761), (589, 42763), (779, 32333), (1043, 24149), (1271, 19817), (2831, 8897), (4123, 6109), (4619, 5453)]