25000052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 56485632

約数和(自身を除く): 31485580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 121, 154, 157, 188, 242, 308, 314, 329, 484, 517, 628, 658, 847, 1034, 1099, 1316, 1694, 1727, 2068, 2198, 3388, 3454, 3619, 4396, 5687, 6908, 7238, 7379, 11374, 12089, 14476, 14758, 18997, 22748, 24178, 29516, 37994, 39809, 48356, 51653, 75988, 79618, 81169, 103306, 132979, 159236, 162338, 206612, 265958, 324676, 531916, 568183, 892859, 1136366, 1785718, 2272732, 3571436, 6250013, 12500026, 25000052]

約数ペア:

[(1, 25000052), (2, 12500026), (4, 6250013), (7, 3571436), (11, 2272732), (14, 1785718), (22, 1136366), (28, 892859), (44, 568183), (47, 531916), (77, 324676), (94, 265958), (121, 206612), (154, 162338), (157, 159236), (188, 132979), (242, 103306), (308, 81169), (314, 79618), (329, 75988), (484, 51653), (517, 48356), (628, 39809), (658, 37994), (847, 29516), (1034, 24178), (1099, 22748), (1316, 18997), (1694, 14758), (1727, 14476), (2068, 12089), (2198, 11374), (3388, 7379), (3454, 7238), (3619, 6908), (4396, 5687)]