128164088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 278147520

約数和(自身を除く): 149983432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 71, 104, 136, 142, 221, 284, 442, 568, 884, 923, 1021, 1207, 1768, 1846, 2042, 2414, 3692, 4084, 4828, 7384, 8168, 9656, 13273, 15691, 17357, 26546, 31382, 34714, 53092, 62764, 69428, 72491, 106184, 125528, 138856, 144982, 225641, 289964, 451282, 579928, 902564, 942383, 1232347, 1805128, 1884766, 2464694, 3769532, 4929388, 7539064, 9858776, 16020511, 32041022, 64082044, 128164088]

約数ペア:

[(1, 128164088), (2, 64082044), (4, 32041022), (8, 16020511), (13, 9858776), (17, 7539064), (26, 4929388), (34, 3769532), (52, 2464694), (68, 1884766), (71, 1805128), (104, 1232347), (136, 942383), (142, 902564), (221, 579928), (284, 451282), (442, 289964), (568, 225641), (884, 144982), (923, 138856), (1021, 125528), (1207, 106184), (1768, 72491), (1846, 69428), (2042, 62764), (2414, 53092), (3692, 34714), (4084, 31382), (4828, 26546), (7384, 17357), (8168, 15691), (9656, 13273)]