2649271990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{91009}}^1$

素因数の和:91128

約数の個数: 32

約数和(自身を含む): 4953856320

約数和(自身を除く): 2304584330

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2911, 5822, 14555, 29110, 91009, 182018, 455045, 910090, 3731369, 6461639, 7462738, 12923278, 18656845, 32308195, 37313690, 64616390, 264927199, 529854398, 1324635995, 2649271990]

約数ペア:

[(1, 2649271990), (2, 1324635995), (5, 529854398), (10, 264927199), (41, 64616390), (71, 37313690), (82, 32308195), (142, 18656845), (205, 12923278), (355, 7462738), (410, 6461639), (710, 3731369), (2911, 910090), (5822, 455045), (14555, 182018), (29110, 91009)]