66821248

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{3089}}^1$

素因数の和:3129

約数の個数: 48

約数和(自身を含む): 144194850

約数和(自身を除く): 77373602

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 3089, 5408, 6178, 10816, 12356, 21632, 24712, 40157, 49424, 80314, 98848, 160628, 197696, 321256, 395392, 522041, 642512, 1044082, 1285024, 2088164, 2570048, 4176328, 5140096, 8352656, 16705312, 33410624, 66821248]

約数ペア:

[(1, 66821248), (2, 33410624), (4, 16705312), (8, 8352656), (13, 5140096), (16, 4176328), (26, 2570048), (32, 2088164), (52, 1285024), (64, 1044082), (104, 642512), (128, 522041), (169, 395392), (208, 321256), (338, 197696), (416, 160628), (676, 98848), (832, 80314), (1352, 49424), (1664, 40157), (2704, 24712), (3089, 21632), (5408, 12356), (6178, 10816)]