67841284

素因数分解:

$2^2\times 7^3\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 139708800

約数和(自身を除く): 71867516

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 251, 343, 394, 502, 686, 788, 1004, 1372, 1379, 1757, 2758, 3514, 5516, 7028, 9653, 12299, 19306, 24598, 38612, 49196, 49447, 67571, 86093, 98894, 135142, 172186, 197788, 270284, 344372, 346129, 692258, 1384516, 2422903, 4845806, 9691612, 16960321, 33920642, 67841284]

約数ペア:

[(1, 67841284), (2, 33920642), (4, 16960321), (7, 9691612), (14, 4845806), (28, 2422903), (49, 1384516), (98, 692258), (196, 346129), (197, 344372), (251, 270284), (343, 197788), (394, 172186), (502, 135142), (686, 98894), (788, 86093), (1004, 67571), (1372, 49447), (1379, 49196), (1757, 38612), (2758, 24598), (3514, 19306), (5516, 12299), (7028, 9653)]