2608398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 6211296

約数和(自身を除く): 3602898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 157, 213, 234, 314, 426, 471, 639, 923, 942, 1278, 1413, 1846, 2041, 2769, 2826, 4082, 5538, 6123, 8307, 11147, 12246, 16614, 18369, 22294, 33441, 36738, 66882, 100323, 144911, 200646, 289822, 434733, 869466, 1304199, 2608398]

約数ペア:

[(1, 2608398), (2, 1304199), (3, 869466), (6, 434733), (9, 289822), (13, 200646), (18, 144911), (26, 100323), (39, 66882), (71, 36738), (78, 33441), (117, 22294), (142, 18369), (157, 16614), (213, 12246), (234, 11147), (314, 8307), (426, 6123), (471, 5538), (639, 4082), (923, 2826), (942, 2769), (1278, 2041), (1413, 1846)]