257220224

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2209

約数の個数: 64

約数和(自身を含む): 548009280

約数和(自身を除く): 290789056

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 92, 128, 164, 184, 328, 368, 656, 736, 943, 1312, 1472, 1886, 2131, 2624, 2944, 3772, 4262, 5248, 7544, 8524, 15088, 17048, 30176, 34096, 49013, 60352, 68192, 87371, 98026, 120704, 136384, 174742, 196052, 272768, 349484, 392104, 698968, 784208, 1397936, 1568416, 2009533, 2795872, 3136832, 4019066, 5591744, 6273664, 8038132, 11183488, 16076264, 32152528, 64305056, 128610112, 257220224]

約数ペア:

[(1, 257220224), (2, 128610112), (4, 64305056), (8, 32152528), (16, 16076264), (23, 11183488), (32, 8038132), (41, 6273664), (46, 5591744), (64, 4019066), (82, 3136832), (92, 2795872), (128, 2009533), (164, 1568416), (184, 1397936), (328, 784208), (368, 698968), (656, 392104), (736, 349484), (943, 272768), (1312, 196052), (1472, 174742), (1886, 136384), (2131, 120704), (2624, 98026), (2944, 87371), (3772, 68192), (4262, 60352), (5248, 49013), (7544, 34096), (8524, 30176), (15088, 17048)]