28179865

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 40068864

約数和(自身を除く): 11888999

約数列:

[1, 5, 7, 35, 61, 67, 197, 305, 335, 427, 469, 985, 1379, 2135, 2345, 4087, 6895, 12017, 13199, 20435, 28609, 60085, 65995, 84119, 92393, 143045, 420595, 461965, 805139, 4025695, 5635973, 28179865]

約数ペア:

[(1, 28179865), (5, 5635973), (7, 4025695), (35, 805139), (61, 461965), (67, 420595), (197, 143045), (305, 92393), (335, 84119), (427, 65995), (469, 60085), (985, 28609), (1379, 20435), (2135, 13199), (2345, 12017), (4087, 6895)]