163445425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 240609600

約数和(自身を除く): 77164175

約数列:

[1, 5, 11, 13, 25, 55, 65, 131, 143, 275, 325, 349, 655, 715, 1441, 1703, 1745, 3275, 3575, 3839, 4537, 7205, 8515, 8725, 18733, 19195, 22685, 36025, 42575, 45719, 49907, 93665, 95975, 113425, 228595, 249535, 468325, 502909, 594347, 1142975, 1247675, 2514545, 2971735, 6537817, 12572725, 14858675, 32689085, 163445425]

約数ペア:

[(1, 163445425), (5, 32689085), (11, 14858675), (13, 12572725), (25, 6537817), (55, 2971735), (65, 2514545), (131, 1247675), (143, 1142975), (275, 594347), (325, 502909), (349, 468325), (655, 249535), (715, 228595), (1441, 113425), (1703, 95975), (1745, 93665), (3275, 49907), (3575, 45719), (3839, 42575), (4537, 36025), (7205, 22685), (8515, 19195), (8725, 18733)]