2159465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 3317760

約数和(自身を除く): 1158295

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 79, 355, 385, 395, 497, 553, 781, 869, 2485, 2765, 3905, 4345, 5467, 5609, 6083, 27335, 28045, 30415, 39263, 61699, 196315, 308495, 431893, 2159465]

約数ペア:

[(1, 2159465), (5, 431893), (7, 308495), (11, 196315), (35, 61699), (55, 39263), (71, 30415), (77, 28045), (79, 27335), (355, 6083), (385, 5609), (395, 5467), (497, 4345), (553, 3905), (781, 2765), (869, 2485)]