25000388

素因数分解:

$2^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 51207660

約数和(自身を除く): 26207272

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 458, 557, 916, 1114, 1603, 2228, 3206, 3899, 6412, 7798, 11221, 15596, 22442, 27293, 44884, 54586, 109172, 127553, 255106, 510212, 892871, 1785742, 3571484, 6250097, 12500194, 25000388]

約数ペア:

[(1, 25000388), (2, 12500194), (4, 6250097), (7, 3571484), (14, 1785742), (28, 892871), (49, 510212), (98, 255106), (196, 127553), (229, 109172), (458, 54586), (557, 44884), (916, 27293), (1114, 22442), (1603, 15596), (2228, 11221), (3206, 7798), (3899, 6412)]