213823225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 332585856

約数和(自身を除く): 118762631

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 277, 385, 401, 1385, 1925, 1939, 2005, 2807, 3047, 4411, 6925, 9695, 10025, 14035, 15235, 21329, 22055, 30877, 48475, 70175, 76175, 106645, 110275, 111077, 154385, 533225, 555385, 771925, 777539, 1221847, 2776925, 3887695, 6109235, 8552929, 19438475, 30546175, 42764645, 213823225]

約数ペア:

[(1, 213823225), (5, 42764645), (7, 30546175), (11, 19438475), (25, 8552929), (35, 6109235), (55, 3887695), (77, 2776925), (175, 1221847), (275, 777539), (277, 771925), (385, 555385), (401, 533225), (1385, 154385), (1925, 111077), (1939, 110275), (2005, 106645), (2807, 76175), (3047, 70175), (4411, 48475), (6925, 30877), (9695, 22055), (10025, 21329), (14035, 15235)]