647522418

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1347

約数の個数: 48

約数和(自身を含む): 1380527424

約数和(自身を除く): 733005006

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 421, 578, 842, 867, 887, 1263, 1734, 1774, 2526, 2661, 5322, 7157, 14314, 15079, 21471, 30158, 42942, 45237, 90474, 121669, 243338, 256343, 365007, 373427, 512686, 730014, 746854, 769029, 1120281, 1538058, 2240562, 6348259, 12696518, 19044777, 38089554, 107920403, 215840806, 323761209, 647522418]

約数ペア:

[(1, 647522418), (2, 323761209), (3, 215840806), (6, 107920403), (17, 38089554), (34, 19044777), (51, 12696518), (102, 6348259), (289, 2240562), (421, 1538058), (578, 1120281), (842, 769029), (867, 746854), (887, 730014), (1263, 512686), (1734, 373427), (1774, 365007), (2526, 256343), (2661, 243338), (5322, 121669), (7157, 90474), (14314, 45237), (15079, 42942), (21471, 30158)]