638973312

素因数分解:

$2^7\times 3^1\times {\mathrm{997}}^1\times {\mathrm{1669}}^1$

素因数の和:2683

約数の個数: 64

約数和(自身を含む): 1699993200

約数和(自身を除く): 1061019888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 997, 1669, 1994, 2991, 3338, 3988, 5007, 5982, 6676, 7976, 10014, 11964, 13352, 15952, 20028, 23928, 26704, 31904, 40056, 47856, 53408, 63808, 80112, 95712, 106816, 127616, 160224, 191424, 213632, 320448, 382848, 640896, 1663993, 3327986, 4991979, 6655972, 9983958, 13311944, 19967916, 26623888, 39935832, 53247776, 79871664, 106495552, 159743328, 212991104, 319486656, 638973312]

約数ペア:

[(1, 638973312), (2, 319486656), (3, 212991104), (4, 159743328), (6, 106495552), (8, 79871664), (12, 53247776), (16, 39935832), (24, 26623888), (32, 19967916), (48, 13311944), (64, 9983958), (96, 6655972), (128, 4991979), (192, 3327986), (384, 1663993), (997, 640896), (1669, 382848), (1994, 320448), (2991, 213632), (3338, 191424), (3988, 160224), (5007, 127616), (5982, 106816), (6676, 95712), (7976, 80112), (10014, 63808), (11964, 53408), (13352, 47856), (15952, 40056), (20028, 31904), (23928, 26704)]