253806868

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{2659}}^1$

素因数の和:3164

約数の個数: 36

約数和(自身を含む): 517933920

約数和(自身を除く): 264127052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 974, 1948, 2659, 3409, 5318, 6818, 10636, 13636, 18613, 23863, 37226, 47726, 74452, 95452, 130291, 260582, 521164, 1294933, 2589866, 5179732, 9064531, 18129062, 36258124, 63451717, 126903434, 253806868]

約数ペア:

[(1, 253806868), (2, 126903434), (4, 63451717), (7, 36258124), (14, 18129062), (28, 9064531), (49, 5179732), (98, 2589866), (196, 1294933), (487, 521164), (974, 260582), (1948, 130291), (2659, 95452), (3409, 74452), (5318, 47726), (6818, 37226), (10636, 23863), (13636, 18613)]