1640984835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{60811}}^1$

素因数の和:61083

約数の個数: 32

約数和(自身を含む): 3012383232

約数和(自身を除く): 1371398397

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 1285, 1799, 3855, 5397, 8995, 26985, 60811, 182433, 304055, 425677, 912165, 1277031, 2128385, 6385155, 15628427, 46885281, 78142135, 109398989, 234426405, 328196967, 546994945, 1640984835]

約数ペア:

[(1, 1640984835), (3, 546994945), (5, 328196967), (7, 234426405), (15, 109398989), (21, 78142135), (35, 46885281), (105, 15628427), (257, 6385155), (771, 2128385), (1285, 1277031), (1799, 912165), (3855, 425677), (5397, 304055), (8995, 182433), (26985, 60811)]