1999218208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{7789}}^1$

素因数の和:8429

約数の個数: 48

約数和(自身を含む): 4246142040

約数和(自身を除く): 2246923832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 617, 1234, 2468, 4936, 7789, 8021, 9872, 15578, 16042, 19744, 31156, 32084, 62312, 64168, 101257, 124624, 128336, 202514, 249248, 256672, 405028, 810056, 1620112, 3240224, 4805813, 9611626, 19223252, 38446504, 62475569, 76893008, 124951138, 153786016, 249902276, 499804552, 999609104, 1999218208]

約数ペア:

[(1, 1999218208), (2, 999609104), (4, 499804552), (8, 249902276), (13, 153786016), (16, 124951138), (26, 76893008), (32, 62475569), (52, 38446504), (104, 19223252), (208, 9611626), (416, 4805813), (617, 3240224), (1234, 1620112), (2468, 810056), (4936, 405028), (7789, 256672), (8021, 249248), (9872, 202514), (15578, 128336), (16042, 124624), (19744, 101257), (31156, 64168), (32084, 62312)]