251213958

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^2$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 584137008

約数和(自身を除く): 332923050

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 107, 138, 159, 207, 214, 318, 321, 414, 477, 642, 954, 963, 1219, 1926, 2438, 2461, 3657, 4922, 5671, 7314, 7383, 10971, 11342, 11449, 14766, 17013, 21942, 22149, 22898, 34026, 34347, 44298, 51039, 68694, 102078, 103041, 130433, 206082, 260866, 263327, 391299, 526654, 606797, 782598, 789981, 1173897, 1213594, 1579962, 1820391, 2347794, 2369943, 3640782, 4739886, 5461173, 10922346, 13956331, 27912662, 41868993, 83737986, 125606979, 251213958]

約数ペア:

[(1, 251213958), (2, 125606979), (3, 83737986), (6, 41868993), (9, 27912662), (18, 13956331), (23, 10922346), (46, 5461173), (53, 4739886), (69, 3640782), (106, 2369943), (107, 2347794), (138, 1820391), (159, 1579962), (207, 1213594), (214, 1173897), (318, 789981), (321, 782598), (414, 606797), (477, 526654), (642, 391299), (954, 263327), (963, 260866), (1219, 206082), (1926, 130433), (2438, 103041), (2461, 102078), (3657, 68694), (4922, 51039), (5671, 44298), (7314, 34347), (7383, 34026), (10971, 22898), (11342, 22149), (11449, 21942), (14766, 17013)]