638463864

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{4691}}^1$

素因数の和:4860

約数の個数: 64

約数和(自身を含む): 1641824640

約数和(自身を除く): 1003360776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 107, 159, 212, 214, 318, 321, 424, 428, 636, 642, 856, 1272, 1284, 2568, 4691, 5671, 9382, 11342, 14073, 17013, 18764, 22684, 28146, 34026, 37528, 45368, 56292, 68052, 112584, 136104, 248623, 497246, 501937, 745869, 994492, 1003874, 1491738, 1505811, 1988984, 2007748, 2983476, 3011622, 4015496, 5966952, 6023244, 12046488, 26602661, 53205322, 79807983, 106410644, 159615966, 212821288, 319231932, 638463864]

約数ペア:

[(1, 638463864), (2, 319231932), (3, 212821288), (4, 159615966), (6, 106410644), (8, 79807983), (12, 53205322), (24, 26602661), (53, 12046488), (106, 6023244), (107, 5966952), (159, 4015496), (212, 3011622), (214, 2983476), (318, 2007748), (321, 1988984), (424, 1505811), (428, 1491738), (636, 1003874), (642, 994492), (856, 745869), (1272, 501937), (1284, 497246), (2568, 248623), (4691, 136104), (5671, 112584), (9382, 68052), (11342, 56292), (14073, 45368), (17013, 37528), (18764, 34026), (22684, 28146)]