427222718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 741146112

約数和(自身を除く): 313923394

約数列:

[1, 2, 13, 26, 31, 53, 62, 73, 106, 137, 146, 274, 403, 689, 806, 949, 1378, 1643, 1781, 1898, 2263, 3286, 3562, 3869, 4247, 4526, 7261, 7738, 8494, 10001, 14522, 20002, 21359, 29419, 42718, 50297, 55211, 58838, 94393, 100594, 110422, 119939, 130013, 188786, 225091, 239878, 260026, 310031, 450182, 530053, 620062, 1060106, 1559207, 2926183, 3118414, 4030403, 5852366, 6890689, 8060806, 13781378, 16431643, 32863286, 213611359, 427222718]

約数ペア:

[(1, 427222718), (2, 213611359), (13, 32863286), (26, 16431643), (31, 13781378), (53, 8060806), (62, 6890689), (73, 5852366), (106, 4030403), (137, 3118414), (146, 2926183), (274, 1559207), (403, 1060106), (689, 620062), (806, 530053), (949, 450182), (1378, 310031), (1643, 260026), (1781, 239878), (1898, 225091), (2263, 188786), (3286, 130013), (3562, 119939), (3869, 110422), (4247, 100594), (4526, 94393), (7261, 58838), (7738, 55211), (8494, 50297), (10001, 42718), (14522, 29419), (20002, 21359)]