1640603418

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{20101}}^1$

素因数の和:20390

約数の個数: 32

約数和(自身を含む): 3350118912

約数和(自身を除く): 1709515494

約数列:

[1, 2, 3, 6, 61, 122, 183, 223, 366, 446, 669, 1338, 13603, 20101, 27206, 40202, 40809, 60303, 81618, 120606, 1226161, 2452322, 3678483, 4482523, 7356966, 8965046, 13447569, 26895138, 273433903, 546867806, 820301709, 1640603418]

約数ペア:

[(1, 1640603418), (2, 820301709), (3, 546867806), (6, 273433903), (61, 26895138), (122, 13447569), (183, 8965046), (223, 7356966), (366, 4482523), (446, 3678483), (669, 2452322), (1338, 1226161), (13603, 120606), (20101, 81618), (27206, 60303), (40202, 40809)]