51215290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 108214272

約数和(自身を除く): 56998982

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 490, 635, 823, 889, 1270, 1646, 1778, 4115, 4445, 5761, 6223, 8230, 8890, 11522, 12446, 28805, 31115, 40327, 57610, 62230, 80654, 104521, 201635, 209042, 403270, 522605, 731647, 1045210, 1463294, 3658235, 5121529, 7316470, 10243058, 25607645, 51215290]

約数ペア:

[(1, 51215290), (2, 25607645), (5, 10243058), (7, 7316470), (10, 5121529), (14, 3658235), (35, 1463294), (49, 1045210), (70, 731647), (98, 522605), (127, 403270), (245, 209042), (254, 201635), (490, 104521), (635, 80654), (823, 62230), (889, 57610), (1270, 40327), (1646, 31115), (1778, 28805), (4115, 12446), (4445, 11522), (5761, 8890), (6223, 8230)]