856553511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 1343692800

約数和(自身を除く): 487139289

約数列:

[1, 3, 11, 23, 33, 53, 69, 107, 159, 199, 253, 321, 583, 597, 759, 1177, 1219, 1749, 2189, 2461, 3531, 3657, 4577, 5671, 6567, 7383, 10547, 13409, 13731, 17013, 21293, 27071, 31641, 40227, 50347, 62381, 63879, 81213, 116017, 130433, 151041, 187143, 234223, 242581, 348051, 391299, 489739, 702669, 727743, 1128529, 1434763, 1469217, 2668391, 3385587, 4304289, 5387129, 8005173, 12413819, 16161387, 25956167, 37241457, 77868501, 285517837, 856553511]

約数ペア:

[(1, 856553511), (3, 285517837), (11, 77868501), (23, 37241457), (33, 25956167), (53, 16161387), (69, 12413819), (107, 8005173), (159, 5387129), (199, 4304289), (253, 3385587), (321, 2668391), (583, 1469217), (597, 1434763), (759, 1128529), (1177, 727743), (1219, 702669), (1749, 489739), (2189, 391299), (2461, 348051), (3531, 242581), (3657, 234223), (4577, 187143), (5671, 151041), (6567, 130433), (7383, 116017), (10547, 81213), (13409, 63879), (13731, 62381), (17013, 50347), (21293, 40227), (27071, 31641)]