178195612

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 378164864

約数和(自身を除く): 199969252

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 67, 86, 94, 134, 172, 188, 268, 301, 329, 469, 602, 658, 938, 1204, 1316, 1876, 2021, 2209, 2881, 3149, 4042, 4418, 5762, 6298, 8084, 8836, 11524, 12596, 14147, 15463, 20167, 22043, 28294, 30926, 40334, 44086, 56588, 61852, 80668, 88172, 94987, 135407, 148003, 189974, 270814, 296006, 379948, 541628, 592012, 664909, 947849, 1036021, 1329818, 1895698, 2072042, 2659636, 3791396, 4144084, 6364129, 12728258, 25456516, 44548903, 89097806, 178195612]

約数ペア:

[(1, 178195612), (2, 89097806), (4, 44548903), (7, 25456516), (14, 12728258), (28, 6364129), (43, 4144084), (47, 3791396), (67, 2659636), (86, 2072042), (94, 1895698), (134, 1329818), (172, 1036021), (188, 947849), (268, 664909), (301, 592012), (329, 541628), (469, 379948), (602, 296006), (658, 270814), (938, 189974), (1204, 148003), (1316, 135407), (1876, 94987), (2021, 88172), (2209, 80668), (2881, 61852), (3149, 56588), (4042, 44086), (4418, 40334), (5762, 30926), (6298, 28294), (8084, 22043), (8836, 20167), (11524, 15463), (12596, 14147)]