55878278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 34841722

約数列:

[1, 2, 19, 38, 71, 139, 142, 149, 278, 298, 1349, 2641, 2698, 2831, 5282, 5662, 9869, 10579, 19738, 20711, 21158, 41422, 187511, 201001, 375022, 393509, 402002, 787018, 1470481, 2940962, 27939139, 55878278]

約数ペア:

[(1, 55878278), (2, 27939139), (19, 2940962), (38, 1470481), (71, 787018), (139, 402002), (142, 393509), (149, 375022), (278, 201001), (298, 187511), (1349, 41422), (2641, 21158), (2698, 20711), (2831, 19738), (5282, 10579), (5662, 9869)]