1420801477907

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1009}}^1\times {\mathrm{42181}}^1$

素因数の和:43467

約数の個数: 32

約数和(自身を含む): 1717786022400

約数和(自身を除く): 296984544493

約数列:

[1, 7, 19, 133, 251, 1009, 1757, 4769, 7063, 19171, 33383, 42181, 134197, 253259, 295267, 801439, 1772813, 4811921, 5610073, 10587431, 33683447, 42560629, 74112017, 201161189, 297924403, 808651951, 1408128323, 5660563657, 10682717879, 74779025153, 202971639701, 1420801477907]

約数ペア:

[(1, 1420801477907), (7, 202971639701), (19, 74779025153), (133, 10682717879), (251, 5660563657), (1009, 1408128323), (1757, 808651951), (4769, 297924403), (7063, 201161189), (19171, 74112017), (33383, 42560629), (42181, 33683447), (134197, 10587431), (253259, 5610073), (295267, 4811921), (801439, 1772813)]