72172414

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{2917}}^1$

素因数の和:3147

約数の個数: 16

約数和(自身を含む): 110300400

約数和(自身を除く): 38127986

約数列:

[1, 2, 89, 139, 178, 278, 2917, 5834, 12371, 24742, 259613, 405463, 519226, 810926, 36086207, 72172414]

約数ペア:

[(1, 72172414), (2, 36086207), (89, 810926), (139, 519226), (178, 405463), (278, 259613), (2917, 24742), (5834, 12371)]