84728425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 117849600

約数和(自身を除く): 33121175

約数列:

[1, 5, 17, 25, 31, 59, 85, 109, 155, 295, 425, 527, 545, 775, 1003, 1475, 1829, 1853, 2635, 2725, 3379, 5015, 6431, 9145, 9265, 13175, 16895, 25075, 31093, 32155, 45725, 46325, 57443, 84475, 109327, 155465, 160775, 199361, 287215, 546635, 777325, 996805, 1436075, 2733175, 3389137, 4984025, 16945685, 84728425]

約数ペア:

[(1, 84728425), (5, 16945685), (17, 4984025), (25, 3389137), (31, 2733175), (59, 1436075), (85, 996805), (109, 777325), (155, 546635), (295, 287215), (425, 199361), (527, 160775), (545, 155465), (775, 109327), (1003, 84475), (1475, 57443), (1829, 46325), (1853, 45725), (2635, 32155), (2725, 31093), (3379, 25075), (5015, 16895), (6431, 13175), (9145, 9265)]