389628057

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6577}}^1$

素因数の和:6638

約数の個数: 48

約数和(自身を含む): 671903232

約数和(自身を除く): 282275175

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 1209, 1519, 1911, 2821, 4557, 6577, 8463, 19731, 19747, 46039, 59241, 85501, 138117, 203887, 256503, 322273, 598507, 611661, 966819, 1427209, 1795521, 2650531, 4189549, 4281627, 7951593, 9990463, 12568647, 18553717, 29971389, 55661151, 129876019, 389628057]

約数ペア:

[(1, 389628057), (3, 129876019), (7, 55661151), (13, 29971389), (21, 18553717), (31, 12568647), (39, 9990463), (49, 7951593), (91, 4281627), (93, 4189549), (147, 2650531), (217, 1795521), (273, 1427209), (403, 966819), (637, 611661), (651, 598507), (1209, 322273), (1519, 256503), (1911, 203887), (2821, 138117), (4557, 85501), (6577, 59241), (8463, 46039), (19731, 19747)]