1290289312

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{18353}}^1$

素因数の和:18402

約数の個数: 48

約数和(自身を含む): 2751998760

約数和(自身を除く): 1461709448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2197, 2704, 4394, 5408, 8788, 17576, 18353, 35152, 36706, 70304, 73412, 146824, 238589, 293648, 477178, 587296, 954356, 1908712, 3101657, 3817424, 6203314, 7634848, 12406628, 24813256, 40321541, 49626512, 80643082, 99253024, 161286164, 322572328, 645144656, 1290289312]

約数ペア:

[(1, 1290289312), (2, 645144656), (4, 322572328), (8, 161286164), (13, 99253024), (16, 80643082), (26, 49626512), (32, 40321541), (52, 24813256), (104, 12406628), (169, 7634848), (208, 6203314), (338, 3817424), (416, 3101657), (676, 1908712), (1352, 954356), (2197, 587296), (2704, 477178), (4394, 293648), (5408, 238589), (8788, 146824), (17576, 73412), (18353, 70304), (35152, 36706)]