639409536

素因数分解:

$2^7\times 3^2\times {\mathrm{555043}}^1$

素因数の和:555063

約数の個数: 48

約数和(自身を含む): 1839970860

約数和(自身を除く): 1200561324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 555043, 1110086, 1665129, 2220172, 3330258, 4440344, 4995387, 6660516, 8880688, 9990774, 13321032, 17761376, 19981548, 26642064, 35522752, 39963096, 53284128, 71045504, 79926192, 106568256, 159852384, 213136512, 319704768, 639409536]

約数ペア:

[(1, 639409536), (2, 319704768), (3, 213136512), (4, 159852384), (6, 106568256), (8, 79926192), (9, 71045504), (12, 53284128), (16, 39963096), (18, 35522752), (24, 26642064), (32, 19981548), (36, 17761376), (48, 13321032), (64, 9990774), (72, 8880688), (96, 6660516), (128, 4995387), (144, 4440344), (192, 3330258), (288, 2220172), (384, 1665129), (576, 1110086), (1152, 555043)]