51809784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 140327040

約数和(自身を除く): 88517256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 211, 312, 422, 633, 787, 844, 1266, 1574, 1688, 2361, 2532, 2743, 3148, 4722, 5064, 5486, 6296, 8229, 9444, 10231, 10972, 16458, 18888, 20462, 21944, 30693, 32916, 40924, 61386, 65832, 81848, 122772, 166057, 245544, 332114, 498171, 664228, 996342, 1328456, 1992684, 2158741, 3985368, 4317482, 6476223, 8634964, 12952446, 17269928, 25904892, 51809784]

約数ペア:

[(1, 51809784), (2, 25904892), (3, 17269928), (4, 12952446), (6, 8634964), (8, 6476223), (12, 4317482), (13, 3985368), (24, 2158741), (26, 1992684), (39, 1328456), (52, 996342), (78, 664228), (104, 498171), (156, 332114), (211, 245544), (312, 166057), (422, 122772), (633, 81848), (787, 65832), (844, 61386), (1266, 40924), (1574, 32916), (1688, 30693), (2361, 21944), (2532, 20462), (2743, 18888), (3148, 16458), (4722, 10972), (5064, 10231), (5486, 9444), (6296, 8229)]