22151350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 45278352

約数和(自身を除く): 23127002

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 643, 650, 689, 1286, 1325, 1378, 2650, 3215, 3445, 6430, 6890, 8359, 16075, 16718, 17225, 32150, 34079, 34450, 41795, 68158, 83590, 170395, 208975, 340790, 417950, 443027, 851975, 886054, 1703950, 2215135, 4430270, 11075675, 22151350]

約数ペア:

[(1, 22151350), (2, 11075675), (5, 4430270), (10, 2215135), (13, 1703950), (25, 886054), (26, 851975), (50, 443027), (53, 417950), (65, 340790), (106, 208975), (130, 170395), (265, 83590), (325, 68158), (530, 41795), (643, 34450), (650, 34079), (689, 32150), (1286, 17225), (1325, 16718), (1378, 16075), (2650, 8359), (3215, 6890), (3445, 6430)]