64205128

素因数分解:

$2^3\times {\mathrm{13}}^4\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 130880430

約数和(自身を除く): 66675302

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 281, 338, 562, 676, 1124, 1352, 2197, 2248, 3653, 4394, 7306, 8788, 14612, 17576, 28561, 29224, 47489, 57122, 94978, 114244, 189956, 228488, 379912, 617357, 1234714, 2469428, 4938856, 8025641, 16051282, 32102564, 64205128]

約数ペア:

[(1, 64205128), (2, 32102564), (4, 16051282), (8, 8025641), (13, 4938856), (26, 2469428), (52, 1234714), (104, 617357), (169, 379912), (281, 228488), (338, 189956), (562, 114244), (676, 94978), (1124, 57122), (1352, 47489), (2197, 29224), (2248, 28561), (3653, 17576), (4394, 14612), (7306, 8788)]