73821965

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 105511680

約数和(自身を除く): 31689715

約数列:

[1, 5, 7, 29, 35, 145, 203, 257, 283, 1015, 1285, 1415, 1799, 1981, 7453, 8207, 8995, 9905, 37265, 41035, 52171, 57449, 72731, 260855, 287245, 363655, 509117, 2109199, 2545585, 10545995, 14764393, 73821965]

約数ペア:

[(1, 73821965), (5, 14764393), (7, 10545995), (29, 2545585), (35, 2109199), (145, 509117), (203, 363655), (257, 287245), (283, 260855), (1015, 72731), (1285, 57449), (1415, 52171), (1799, 41035), (1981, 37265), (7453, 9905), (8207, 8995)]