217872054

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{821}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 493949664

約数和(自身を除く): 276077610

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 641, 821, 1282, 1642, 1923, 2463, 3846, 4926, 5769, 7389, 11538, 14743, 14778, 18883, 29486, 37766, 44229, 56649, 88458, 113298, 132687, 169947, 265374, 339894, 526261, 1052522, 1578783, 3157566, 4736349, 9472698, 12104003, 24208006, 36312009, 72624018, 108936027, 217872054]

約数ペア:

[(1, 217872054), (2, 108936027), (3, 72624018), (6, 36312009), (9, 24208006), (18, 12104003), (23, 9472698), (46, 4736349), (69, 3157566), (138, 1578783), (207, 1052522), (414, 526261), (641, 339894), (821, 265374), (1282, 169947), (1642, 132687), (1923, 113298), (2463, 88458), (3846, 56649), (4926, 44229), (5769, 37766), (7389, 29486), (11538, 18883), (14743, 14778)]