78468728

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 160922880

約数和(自身を除く): 82454152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 169, 254, 338, 457, 508, 676, 914, 1016, 1352, 1651, 1828, 3302, 3656, 5941, 6604, 11882, 13208, 21463, 23764, 42926, 47528, 58039, 77233, 85852, 116078, 154466, 171704, 232156, 308932, 464312, 617864, 754507, 1509014, 3018028, 6036056, 9808591, 19617182, 39234364, 78468728]

約数ペア:

[(1, 78468728), (2, 39234364), (4, 19617182), (8, 9808591), (13, 6036056), (26, 3018028), (52, 1509014), (104, 754507), (127, 617864), (169, 464312), (254, 308932), (338, 232156), (457, 171704), (508, 154466), (676, 116078), (914, 85852), (1016, 77233), (1352, 58039), (1651, 47528), (1828, 42926), (3302, 23764), (3656, 21463), (5941, 13208), (6604, 11882)]