1385890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 2794176

約数和(自身を除く): 1408286

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 293, 430, 473, 586, 946, 1465, 2365, 2930, 3223, 4730, 6446, 12599, 16115, 25198, 32230, 62995, 125990, 138589, 277178, 692945, 1385890]

約数ペア:

[(1, 1385890), (2, 692945), (5, 277178), (10, 138589), (11, 125990), (22, 62995), (43, 32230), (55, 25198), (86, 16115), (110, 12599), (215, 6446), (293, 4730), (430, 3223), (473, 2930), (586, 2365), (946, 1465)]