388045489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 454616064

約数和(自身を除く): 66570575

約数列:

[1, 13, 23, 47, 53, 299, 521, 611, 689, 1081, 1219, 2491, 6773, 11983, 14053, 15847, 24487, 27613, 32383, 57293, 155779, 318331, 358969, 563201, 635099, 744809, 1297811, 7321613, 8256287, 16871543, 29849653, 388045489]

約数ペア:

[(1, 388045489), (13, 29849653), (23, 16871543), (47, 8256287), (53, 7321613), (299, 1297811), (521, 744809), (611, 635099), (689, 563201), (1081, 358969), (1219, 318331), (2491, 155779), (6773, 57293), (11983, 32383), (14053, 27613), (15847, 24487)]