17172740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^2$

素因数の和:536

約数の個数: 36

約数和(自身を含む): 38988516

約数和(自身を除く): 21815776

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 13364, 16705, 33410, 66049, 66820, 132098, 264196, 330245, 660490, 858637, 1320980, 1717274, 3434548, 4293185, 8586370, 17172740]

約数ペア:

[(1, 17172740), (2, 8586370), (4, 4293185), (5, 3434548), (10, 1717274), (13, 1320980), (20, 858637), (26, 660490), (52, 330245), (65, 264196), (130, 132098), (257, 66820), (260, 66049), (514, 33410), (1028, 16705), (1285, 13364), (2570, 6682), (3341, 5140)]