249545972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 480598272

約数和(自身を除く): 231052300

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 257, 263, 284, 514, 526, 923, 1028, 1052, 1846, 3341, 3419, 3692, 6682, 6838, 13364, 13676, 18247, 18673, 36494, 37346, 67591, 72988, 74692, 135182, 237211, 242749, 270364, 474422, 485498, 878683, 948844, 970996, 1757366, 3514732, 4798961, 9597922, 19195844, 62386493, 124772986, 249545972]

約数ペア:

[(1, 249545972), (2, 124772986), (4, 62386493), (13, 19195844), (26, 9597922), (52, 4798961), (71, 3514732), (142, 1757366), (257, 970996), (263, 948844), (284, 878683), (514, 485498), (526, 474422), (923, 270364), (1028, 242749), (1052, 237211), (1846, 135182), (3341, 74692), (3419, 72988), (3692, 67591), (6682, 37346), (6838, 36494), (13364, 18673), (13676, 18247)]