38990315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 58490880

約数和(自身を除く): 19500565

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 871, 1279, 2345, 4355, 6097, 6395, 8953, 16627, 30485, 44765, 83135, 85693, 116389, 428465, 581945, 599851, 1114009, 2999255, 5570045, 7798063, 38990315]

約数ペア:

[(1, 38990315), (5, 7798063), (7, 5570045), (13, 2999255), (35, 1114009), (65, 599851), (67, 581945), (91, 428465), (335, 116389), (455, 85693), (469, 83135), (871, 44765), (1279, 30485), (2345, 16627), (4355, 8953), (6097, 6395)]