221285988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79829}}^1$

素因数の和:79857

約数の個数: 72

約数和(自身を含む): 697394880

約数和(自身を除く): 476108892

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 79829, 159658, 239487, 319316, 478974, 558803, 718461, 878119, 957948, 1117606, 1436922, 1676409, 1756238, 2235212, 2634357, 2873844, 3352818, 3512476, 5029227, 5268714, 6146833, 6705636, 7903071, 10058454, 10537428, 12293666, 15806142, 18440499, 20116908, 24587332, 31612284, 36880998, 55321497, 73761996, 110642994, 221285988]

約数ペア:

[(1, 221285988), (2, 110642994), (3, 73761996), (4, 55321497), (6, 36880998), (7, 31612284), (9, 24587332), (11, 20116908), (12, 18440499), (14, 15806142), (18, 12293666), (21, 10537428), (22, 10058454), (28, 7903071), (33, 6705636), (36, 6146833), (42, 5268714), (44, 5029227), (63, 3512476), (66, 3352818), (77, 2873844), (84, 2634357), (99, 2235212), (126, 1756238), (132, 1676409), (154, 1436922), (198, 1117606), (231, 957948), (252, 878119), (308, 718461), (396, 558803), (462, 478974), (693, 319316), (924, 239487), (1386, 159658), (2772, 79829)]