388581894

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 878042880

約数和(自身を除く): 489460986

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 163, 262, 326, 337, 393, 489, 674, 786, 978, 1011, 1179, 1467, 2022, 2358, 2934, 3033, 3537, 4401, 6066, 7074, 8802, 9099, 18198, 21353, 42706, 44147, 54931, 64059, 88294, 109862, 128118, 132441, 164793, 192177, 264882, 329586, 384354, 397323, 494379, 576531, 794646, 988758, 1153062, 1191969, 1483137, 2383938, 2966274, 7195961, 14391922, 21587883, 43175766, 64763649, 129527298, 194290947, 388581894]

約数ペア:

[(1, 388581894), (2, 194290947), (3, 129527298), (6, 64763649), (9, 43175766), (18, 21587883), (27, 14391922), (54, 7195961), (131, 2966274), (163, 2383938), (262, 1483137), (326, 1191969), (337, 1153062), (393, 988758), (489, 794646), (674, 576531), (786, 494379), (978, 397323), (1011, 384354), (1179, 329586), (1467, 264882), (2022, 192177), (2358, 164793), (2934, 132441), (3033, 128118), (3537, 109862), (4401, 88294), (6066, 64059), (7074, 54931), (8802, 44147), (9099, 42706), (18198, 21353)]