68216275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 94279680

約数和(自身を除く): 26063405

約数列:

[1, 5, 23, 25, 31, 43, 89, 115, 155, 215, 445, 575, 713, 775, 989, 1075, 1333, 2047, 2225, 2759, 3565, 3827, 4945, 6665, 10235, 13795, 17825, 19135, 24725, 30659, 33325, 51175, 63457, 68975, 88021, 95675, 118637, 153295, 317285, 440105, 593185, 766475, 1586425, 2200525, 2728651, 2965925, 13643255, 68216275]

約数ペア:

[(1, 68216275), (5, 13643255), (23, 2965925), (25, 2728651), (31, 2200525), (43, 1586425), (89, 766475), (115, 593185), (155, 440105), (215, 317285), (445, 153295), (575, 118637), (713, 95675), (775, 88021), (989, 68975), (1075, 63457), (1333, 51175), (2047, 33325), (2225, 30659), (2759, 24725), (3565, 19135), (3827, 17825), (4945, 13795), (6665, 10235)]