82220515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 31320605

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1279, 1495, 2795, 4945, 6395, 12857, 16627, 29417, 54997, 64285, 83135, 147085, 274985, 382421, 714961, 1264931, 1912105, 3574805, 6324655, 16444103, 82220515]

約数ペア:

[(1, 82220515), (5, 16444103), (13, 6324655), (23, 3574805), (43, 1912105), (65, 1264931), (115, 714961), (215, 382421), (299, 274985), (559, 147085), (989, 83135), (1279, 64285), (1495, 54997), (2795, 29417), (4945, 16627), (6395, 12857)]