517838167

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 669339648

約数和(自身を除く): 151501481

約数列:

[1, 7, 11, 31, 77, 217, 341, 401, 541, 2387, 2807, 3787, 4411, 5951, 12431, 16771, 30877, 41657, 87017, 117397, 136741, 184481, 216941, 957187, 1291367, 1518587, 2386351, 6725171, 16704457, 47076197, 73976881, 517838167]

約数ペア:

[(1, 517838167), (7, 73976881), (11, 47076197), (31, 16704457), (77, 6725171), (217, 2386351), (341, 1518587), (401, 1291367), (541, 957187), (2387, 216941), (2807, 184481), (3787, 136741), (4411, 117397), (5951, 87017), (12431, 41657), (16771, 30877)]