493038

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 1369368

約数和(自身を除く): 876330

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 49, 63, 78, 86, 91, 98, 117, 126, 129, 147, 182, 234, 258, 273, 294, 301, 387, 441, 546, 559, 602, 637, 774, 819, 882, 903, 1118, 1274, 1638, 1677, 1806, 1911, 2107, 2709, 3354, 3822, 3913, 4214, 5031, 5418, 5733, 6321, 7826, 10062, 11466, 11739, 12642, 18963, 23478, 27391, 35217, 37926, 54782, 70434, 82173, 164346, 246519, 493038]

約数ペア:

[(1, 493038), (2, 246519), (3, 164346), (6, 82173), (7, 70434), (9, 54782), (13, 37926), (14, 35217), (18, 27391), (21, 23478), (26, 18963), (39, 12642), (42, 11739), (43, 11466), (49, 10062), (63, 7826), (78, 6321), (86, 5733), (91, 5418), (98, 5031), (117, 4214), (126, 3913), (129, 3822), (147, 3354), (182, 2709), (234, 2107), (258, 1911), (273, 1806), (294, 1677), (301, 1638), (387, 1274), (441, 1118), (546, 903), (559, 882), (602, 819), (637, 774)]