65816816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2903}}^1$

素因数の和:3033

約数の個数: 40

約数和(自身を含む): 138636960

約数和(自身を除く): 72820144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 2903, 5668, 5806, 11336, 11612, 22672, 23224, 37739, 46448, 75478, 150956, 301912, 316427, 603824, 632854, 1265708, 2531416, 4113551, 5062832, 8227102, 16454204, 32908408, 65816816]

約数ペア:

[(1, 65816816), (2, 32908408), (4, 16454204), (8, 8227102), (13, 5062832), (16, 4113551), (26, 2531416), (52, 1265708), (104, 632854), (109, 603824), (208, 316427), (218, 301912), (436, 150956), (872, 75478), (1417, 46448), (1744, 37739), (2834, 23224), (2903, 22672), (5668, 11612), (5806, 11336)]