138641890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{641}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 256265856

約数和(自身を除く): 117623966

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 503, 641, 1006, 1282, 2515, 3205, 5030, 6410, 21629, 27563, 43258, 55126, 108145, 137815, 216290, 275630, 322423, 644846, 1612115, 3224230, 13864189, 27728378, 69320945, 138641890]

約数ペア:

[(1, 138641890), (2, 69320945), (5, 27728378), (10, 13864189), (43, 3224230), (86, 1612115), (215, 644846), (430, 322423), (503, 275630), (641, 216290), (1006, 137815), (1282, 108145), (2515, 55126), (3205, 43258), (5030, 27563), (6410, 21629)]