670957638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 1486501632

約数和(自身を除く): 815543994

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 251, 258, 502, 559, 753, 797, 1118, 1506, 1594, 1677, 2391, 3263, 3354, 4782, 6526, 9789, 10361, 10793, 19578, 20722, 21586, 31083, 32379, 34271, 62166, 64758, 68542, 102813, 140309, 200047, 205626, 280618, 400094, 420927, 445523, 600141, 841854, 891046, 1200282, 1336569, 2600611, 2673138, 5201222, 7801833, 8602021, 15603666, 17204042, 25806063, 51612126, 111826273, 223652546, 335478819, 670957638]

約数ペア:

[(1, 670957638), (2, 335478819), (3, 223652546), (6, 111826273), (13, 51612126), (26, 25806063), (39, 17204042), (43, 15603666), (78, 8602021), (86, 7801833), (129, 5201222), (251, 2673138), (258, 2600611), (502, 1336569), (559, 1200282), (753, 891046), (797, 841854), (1118, 600141), (1506, 445523), (1594, 420927), (1677, 400094), (2391, 280618), (3263, 205626), (3354, 200047), (4782, 140309), (6526, 102813), (9789, 68542), (10361, 64758), (10793, 62166), (19578, 34271), (20722, 32379), (21586, 31083)]