253485128

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{433}}^2$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 515848635

約数和(自身を除く): 262363507

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 433, 676, 866, 1352, 1732, 3464, 5629, 11258, 22516, 45032, 73177, 146354, 187489, 292708, 374978, 585416, 749956, 1499912, 2437357, 4874714, 9749428, 19498856, 31685641, 63371282, 126742564, 253485128]

約数ペア:

[(1, 253485128), (2, 126742564), (4, 63371282), (8, 31685641), (13, 19498856), (26, 9749428), (52, 4874714), (104, 2437357), (169, 1499912), (338, 749956), (433, 585416), (676, 374978), (866, 292708), (1352, 187489), (1732, 146354), (3464, 73177), (5629, 45032), (11258, 22516)]