121317532

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 256285680

約数和(自身を除く): 134968148

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 73, 98, 122, 139, 146, 196, 244, 278, 292, 427, 511, 556, 854, 973, 1022, 1708, 1946, 2044, 2989, 3577, 3892, 4453, 5978, 6811, 7154, 8479, 8906, 10147, 11956, 13622, 14308, 16958, 17812, 20294, 27244, 31171, 33916, 40588, 59353, 62342, 71029, 118706, 124684, 142058, 218197, 237412, 284116, 415471, 436394, 497203, 618967, 830942, 872788, 994406, 1237934, 1661884, 1988812, 2475868, 4332769, 8665538, 17331076, 30329383, 60658766, 121317532]

約数ペア:

[(1, 121317532), (2, 60658766), (4, 30329383), (7, 17331076), (14, 8665538), (28, 4332769), (49, 2475868), (61, 1988812), (73, 1661884), (98, 1237934), (122, 994406), (139, 872788), (146, 830942), (196, 618967), (244, 497203), (278, 436394), (292, 415471), (427, 284116), (511, 237412), (556, 218197), (854, 142058), (973, 124684), (1022, 118706), (1708, 71029), (1946, 62342), (2044, 59353), (2989, 40588), (3577, 33916), (3892, 31171), (4453, 27244), (5978, 20294), (6811, 17812), (7154, 16958), (8479, 14308), (8906, 13622), (10147, 11956)]