256729648

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{134837}}^1$

素因数の和:134869

約数の個数: 40

約数和(自身を含む): 601916832

約数和(自身を除く): 345187184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 134837, 269674, 539348, 943859, 1078696, 1887718, 2157392, 2292229, 3775436, 4584458, 7550872, 9168916, 15101744, 16045603, 18337832, 32091206, 36675664, 64182412, 128364824, 256729648]

約数ペア:

[(1, 256729648), (2, 128364824), (4, 64182412), (7, 36675664), (8, 32091206), (14, 18337832), (16, 16045603), (17, 15101744), (28, 9168916), (34, 7550872), (56, 4584458), (68, 3775436), (112, 2292229), (119, 2157392), (136, 1887718), (238, 1078696), (272, 943859), (476, 539348), (952, 269674), (1904, 134837)]