218531838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{727}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 530869248

約数和(自身を除く): 312337410

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 421, 714, 727, 842, 1263, 1454, 2181, 2526, 2947, 4362, 5089, 5894, 7157, 8841, 10178, 12359, 14314, 15267, 17682, 21471, 24718, 30534, 37077, 42942, 50099, 74154, 86513, 100198, 150297, 173026, 259539, 300594, 306067, 519078, 612134, 918201, 1836402, 2142469, 4284938, 5203139, 6427407, 10406278, 12854814, 15609417, 31218834, 36421973, 72843946, 109265919, 218531838]

約数ペア:

[(1, 218531838), (2, 109265919), (3, 72843946), (6, 36421973), (7, 31218834), (14, 15609417), (17, 12854814), (21, 10406278), (34, 6427407), (42, 5203139), (51, 4284938), (102, 2142469), (119, 1836402), (238, 918201), (357, 612134), (421, 519078), (714, 306067), (727, 300594), (842, 259539), (1263, 173026), (1454, 150297), (2181, 100198), (2526, 86513), (2947, 74154), (4362, 50099), (5089, 42942), (5894, 37077), (7157, 30534), (8841, 24718), (10178, 21471), (12359, 17682), (14314, 15267)]