221784025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{601}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 285528600

約数和(自身を除く): 63744575

約数列:

[1, 5, 25, 29, 145, 509, 601, 725, 2545, 3005, 12725, 14761, 15025, 17429, 73805, 87145, 305909, 369025, 435725, 1529545, 7647725, 8871361, 44356805, 221784025]

約数ペア:

[(1, 221784025), (5, 44356805), (25, 8871361), (29, 7647725), (145, 1529545), (509, 435725), (601, 369025), (725, 305909), (2545, 87145), (3005, 73805), (12725, 17429), (14761, 15025)]