321806988

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 825774768

約数和(自身を除く): 503967780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 173, 317, 326, 346, 489, 519, 634, 652, 692, 951, 978, 1038, 1268, 1467, 1557, 1902, 1956, 2076, 2853, 2934, 3114, 3804, 5706, 5868, 6228, 11412, 28199, 51671, 54841, 56398, 84597, 103342, 109682, 112796, 155013, 164523, 169194, 206684, 219364, 253791, 310026, 329046, 338388, 465039, 493569, 507582, 620052, 658092, 930078, 987138, 1015164, 1860156, 1974276, 8939083, 17878166, 26817249, 35756332, 53634498, 80451747, 107268996, 160903494, 321806988]

約数ペア:

[(1, 321806988), (2, 160903494), (3, 107268996), (4, 80451747), (6, 53634498), (9, 35756332), (12, 26817249), (18, 17878166), (36, 8939083), (163, 1974276), (173, 1860156), (317, 1015164), (326, 987138), (346, 930078), (489, 658092), (519, 620052), (634, 507582), (652, 493569), (692, 465039), (951, 338388), (978, 329046), (1038, 310026), (1268, 253791), (1467, 219364), (1557, 206684), (1902, 169194), (1956, 164523), (2076, 155013), (2853, 112796), (2934, 109682), (3114, 103342), (3804, 84597), (5706, 56398), (5868, 54841), (6228, 51671), (11412, 28199)]