139803986

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 249384960

約数和(自身を除く): 109580974

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 917, 1834, 2459, 4061, 4918, 8122, 17213, 28427, 34426, 56854, 76229, 152458, 322129, 533603, 644258, 1067206, 2254903, 4509806, 9985999, 19971998, 69901993, 139803986]

約数ペア:

[(1, 139803986), (2, 69901993), (7, 19971998), (14, 9985999), (31, 4509806), (62, 2254903), (131, 1067206), (217, 644258), (262, 533603), (434, 322129), (917, 152458), (1834, 76229), (2459, 56854), (4061, 34426), (4918, 28427), (8122, 17213)]