216428828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 480485376

約数和(自身を除く): 264056548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 127, 154, 242, 254, 308, 484, 503, 508, 847, 889, 1006, 1397, 1694, 1778, 2012, 2794, 3388, 3521, 3556, 5533, 5588, 7042, 9779, 11066, 14084, 15367, 19558, 22132, 30734, 38731, 39116, 60863, 61468, 63881, 77462, 107569, 121726, 127762, 154924, 215138, 243452, 255524, 426041, 430276, 447167, 702691, 852082, 894334, 1405382, 1704164, 1788668, 2810764, 4918837, 7729601, 9837674, 15459202, 19675348, 30918404, 54107207, 108214414, 216428828]

約数ペア:

[(1, 216428828), (2, 108214414), (4, 54107207), (7, 30918404), (11, 19675348), (14, 15459202), (22, 9837674), (28, 7729601), (44, 4918837), (77, 2810764), (121, 1788668), (127, 1704164), (154, 1405382), (242, 894334), (254, 852082), (308, 702691), (484, 447167), (503, 430276), (508, 426041), (847, 255524), (889, 243452), (1006, 215138), (1397, 154924), (1694, 127762), (1778, 121726), (2012, 107569), (2794, 77462), (3388, 63881), (3521, 61468), (3556, 60863), (5533, 39116), (5588, 38731), (7042, 30734), (9779, 22132), (11066, 19558), (14084, 15367)]