215912116

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 443963520

約数和(自身を除く): 228051404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 389, 461, 602, 778, 922, 1204, 1556, 1844, 2723, 3227, 5446, 6454, 10892, 12908, 16727, 19823, 33454, 39646, 66908, 79292, 117089, 138761, 179329, 234178, 277522, 358658, 468356, 555044, 717316, 1255303, 2510606, 5021212, 7711147, 15422294, 30844588, 53978029, 107956058, 215912116]

約数ペア:

[(1, 215912116), (2, 107956058), (4, 53978029), (7, 30844588), (14, 15422294), (28, 7711147), (43, 5021212), (86, 2510606), (172, 1255303), (301, 717316), (389, 555044), (461, 468356), (602, 358658), (778, 277522), (922, 234178), (1204, 179329), (1556, 138761), (1844, 117089), (2723, 79292), (3227, 66908), (5446, 39646), (6454, 33454), (10892, 19823), (12908, 16727)]