199950344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 426824640

約数和(自身を除く): 226874296

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 53, 86, 88, 106, 172, 212, 344, 424, 473, 583, 946, 997, 1166, 1892, 1994, 2279, 2332, 3784, 3988, 4558, 4664, 7976, 9116, 10967, 18232, 21934, 25069, 42871, 43868, 50138, 52841, 85742, 87736, 100276, 105682, 171484, 200552, 211364, 342968, 422728, 471581, 581251, 943162, 1162502, 1886324, 2272163, 2325004, 3772648, 4544326, 4650008, 9088652, 18177304, 24993793, 49987586, 99975172, 199950344]

約数ペア:

[(1, 199950344), (2, 99975172), (4, 49987586), (8, 24993793), (11, 18177304), (22, 9088652), (43, 4650008), (44, 4544326), (53, 3772648), (86, 2325004), (88, 2272163), (106, 1886324), (172, 1162502), (212, 943162), (344, 581251), (424, 471581), (473, 422728), (583, 342968), (946, 211364), (997, 200552), (1166, 171484), (1892, 105682), (1994, 100276), (2279, 87736), (2332, 85742), (3784, 52841), (3988, 50138), (4558, 43868), (4664, 42871), (7976, 25069), (9116, 21934), (10967, 18232)]