388484798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 643918464

約数和(自身を除く): 255433666

約数列:

[1, 2, 13, 26, 47, 94, 257, 514, 611, 1222, 1237, 2474, 3341, 6682, 12079, 16081, 24158, 32162, 58139, 116278, 157027, 314054, 317909, 635818, 755807, 1511614, 4132817, 8265634, 14941723, 29883446, 194242399, 388484798]

約数ペア:

[(1, 388484798), (2, 194242399), (13, 29883446), (26, 14941723), (47, 8265634), (94, 4132817), (257, 1511614), (514, 755807), (611, 635818), (1222, 317909), (1237, 314054), (2474, 157027), (3341, 116278), (6682, 58139), (12079, 32162), (16081, 24158)]