254753408

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21905

約数の個数: 64

約数和(自身を含む): 624664320

約数和(自身を除く): 369910912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 21871, 43742, 87484, 153097, 174968, 284323, 306194, 349936, 568646, 612388, 699872, 1137292, 1224776, 1399744, 1990261, 2274584, 2449552, 2799488, 3980522, 4549168, 4899104, 7961044, 9098336, 9798208, 15922088, 18196672, 19596416, 31844176, 36393344, 63688352, 127376704, 254753408]

約数ペア:

[(1, 254753408), (2, 127376704), (4, 63688352), (7, 36393344), (8, 31844176), (13, 19596416), (14, 18196672), (16, 15922088), (26, 9798208), (28, 9098336), (32, 7961044), (52, 4899104), (56, 4549168), (64, 3980522), (91, 2799488), (104, 2449552), (112, 2274584), (128, 1990261), (182, 1399744), (208, 1224776), (224, 1137292), (364, 699872), (416, 612388), (448, 568646), (728, 349936), (832, 306194), (896, 284323), (1456, 174968), (1664, 153097), (2912, 87484), (5824, 43742), (11648, 21871)]