291257142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{613}}^1$

素因数の和:965

約数の個数: 64

約数和(自身を含む): 666302976

約数和(自身を除く): 375045834

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 313, 506, 613, 626, 759, 939, 1226, 1518, 1839, 1878, 3443, 3678, 6743, 6886, 7199, 10329, 13486, 14099, 14398, 20229, 20658, 21597, 28198, 40458, 42297, 43194, 79189, 84594, 155089, 158378, 191869, 237567, 310178, 383738, 465267, 475134, 575607, 930534, 1151214, 2110559, 4221118, 4412987, 6331677, 8825974, 12663354, 13238961, 26477922, 48542857, 97085714, 145628571, 291257142]

約数ペア:

[(1, 291257142), (2, 145628571), (3, 97085714), (6, 48542857), (11, 26477922), (22, 13238961), (23, 12663354), (33, 8825974), (46, 6331677), (66, 4412987), (69, 4221118), (138, 2110559), (253, 1151214), (313, 930534), (506, 575607), (613, 475134), (626, 465267), (759, 383738), (939, 310178), (1226, 237567), (1518, 191869), (1839, 158378), (1878, 155089), (3443, 84594), (3678, 79189), (6743, 43194), (6886, 42297), (7199, 40458), (10329, 28198), (13486, 21597), (14099, 20658), (14398, 20229)]