221293912

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{863}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 501811200

約数和(自身を除く): 280517288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 241, 266, 482, 532, 863, 964, 1064, 1687, 1726, 1928, 3374, 3452, 4579, 6041, 6748, 6904, 9158, 12082, 13496, 16397, 18316, 24164, 32053, 32794, 36632, 48328, 64106, 65588, 114779, 128212, 131176, 207983, 229558, 256424, 415966, 459116, 831932, 918232, 1455881, 1663864, 2911762, 3951677, 5823524, 7903354, 11647048, 15806708, 27661739, 31613416, 55323478, 110646956, 221293912]

約数ペア:

[(1, 221293912), (2, 110646956), (4, 55323478), (7, 31613416), (8, 27661739), (14, 15806708), (19, 11647048), (28, 7903354), (38, 5823524), (56, 3951677), (76, 2911762), (133, 1663864), (152, 1455881), (241, 918232), (266, 831932), (482, 459116), (532, 415966), (863, 256424), (964, 229558), (1064, 207983), (1687, 131176), (1726, 128212), (1928, 114779), (3374, 65588), (3452, 64106), (4579, 48328), (6041, 36632), (6748, 32794), (6904, 32053), (9158, 24164), (12082, 18316), (13496, 16397)]