13681328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 28324080

約数和(自身を除く): 14642752

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 281, 358, 562, 716, 1124, 1432, 2248, 2864, 3043, 4496, 4777, 6086, 9554, 12172, 19108, 24344, 38216, 48688, 50299, 76432, 100598, 201196, 402392, 804784, 855083, 1710166, 3420332, 6840664, 13681328]

約数ペア:

[(1, 13681328), (2, 6840664), (4, 3420332), (8, 1710166), (16, 855083), (17, 804784), (34, 402392), (68, 201196), (136, 100598), (179, 76432), (272, 50299), (281, 48688), (358, 38216), (562, 24344), (716, 19108), (1124, 12172), (1432, 9554), (2248, 6086), (2864, 4777), (3043, 4496)]