263719768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 539886600

約数和(自身を除く): 276166832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 169, 262, 338, 524, 676, 1048, 1352, 1489, 1703, 2978, 3406, 5956, 6812, 11912, 13624, 19357, 22139, 38714, 44278, 77428, 88556, 154856, 177112, 195059, 251641, 390118, 503282, 780236, 1006564, 1560472, 2013128, 2535767, 5071534, 10143068, 20286136, 32964971, 65929942, 131859884, 263719768]

約数ペア:

[(1, 263719768), (2, 131859884), (4, 65929942), (8, 32964971), (13, 20286136), (26, 10143068), (52, 5071534), (104, 2535767), (131, 2013128), (169, 1560472), (262, 1006564), (338, 780236), (524, 503282), (676, 390118), (1048, 251641), (1352, 195059), (1489, 177112), (1703, 154856), (2978, 88556), (3406, 77428), (5956, 44278), (6812, 38714), (11912, 22139), (13624, 19357)]