634781615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3659}}^1$

素因数の和:3851

約数の個数: 32

約数和(自身を含む): 874359360

約数和(自身を除く): 239577745

約数列:

[1, 5, 13, 17, 65, 85, 157, 221, 785, 1105, 2041, 2669, 3659, 10205, 13345, 18295, 34697, 47567, 62203, 173485, 237835, 311015, 574463, 808639, 2872315, 4043195, 7468019, 9765871, 37340095, 48829355, 126956323, 634781615]

約数ペア:

[(1, 634781615), (5, 126956323), (13, 48829355), (17, 37340095), (65, 9765871), (85, 7468019), (157, 4043195), (221, 2872315), (785, 808639), (1105, 574463), (2041, 311015), (2669, 237835), (3659, 173485), (10205, 62203), (13345, 47567), (18295, 34697)]