72129449

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 17450071

約数列:

[1, 7, 23, 53, 79, 107, 161, 371, 553, 749, 1219, 1817, 2461, 4187, 5671, 8453, 8533, 12719, 17227, 29309, 39697, 59171, 96301, 130433, 194419, 448009, 674107, 913031, 1360933, 3136063, 10304207, 72129449]

約数ペア:

[(1, 72129449), (7, 10304207), (23, 3136063), (53, 1360933), (79, 913031), (107, 674107), (161, 448009), (371, 194419), (553, 130433), (749, 96301), (1219, 59171), (1817, 39697), (2461, 29309), (4187, 17227), (5671, 12719), (8453, 8533)]