208067404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1750

約数の個数: 36

約数和(自身を含む): 388848600

約数和(自身を除く): 180781196

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 361, 722, 1444, 1619, 1691, 3238, 3382, 6476, 6764, 30761, 32129, 61522, 64258, 123044, 128516, 144091, 288182, 576364, 584459, 1168918, 2337836, 2737729, 5475458, 10950916, 52016851, 104033702, 208067404]

約数ペア:

[(1, 208067404), (2, 104033702), (4, 52016851), (19, 10950916), (38, 5475458), (76, 2737729), (89, 2337836), (178, 1168918), (356, 584459), (361, 576364), (722, 288182), (1444, 144091), (1619, 128516), (1691, 123044), (3238, 64258), (3382, 61522), (6476, 32129), (6764, 30761)]