331478615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 441080640

約数和(自身を除く): 109602025

約数列:

[1, 5, 13, 43, 65, 215, 233, 509, 559, 1165, 2545, 2795, 3029, 6617, 10019, 15145, 21887, 33085, 50095, 109435, 118597, 130247, 284531, 592985, 651235, 1422655, 1541761, 5099671, 7708805, 25498355, 66295723, 331478615]

約数ペア:

[(1, 331478615), (5, 66295723), (13, 25498355), (43, 7708805), (65, 5099671), (215, 1541761), (233, 1422655), (509, 651235), (559, 592985), (1165, 284531), (2545, 130247), (2795, 118597), (3029, 109435), (6617, 50095), (10019, 33085), (15145, 21887)]