197575679

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 46279681

約数列:

[1, 7, 31, 41, 53, 217, 287, 371, 419, 1271, 1643, 2173, 2933, 8897, 11501, 12989, 15211, 17179, 22207, 67363, 90923, 120253, 155449, 471541, 532549, 688417, 910487, 3727843, 4818919, 6373409, 28225097, 197575679]

約数ペア:

[(1, 197575679), (7, 28225097), (31, 6373409), (41, 4818919), (53, 3727843), (217, 910487), (287, 688417), (371, 532549), (419, 471541), (1271, 155449), (1643, 120253), (2173, 90923), (2933, 67363), (8897, 22207), (11501, 17179), (12989, 15211)]