261727792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3361}}^1$

素因数の和:3557

約数の個数: 40

約数和(自身を含む): 526946432

約数和(自身を除く): 265218640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2512, 3361, 4867, 6722, 9734, 13444, 19468, 26888, 38936, 53776, 77872, 104191, 208382, 416764, 527677, 833528, 1055354, 1667056, 2110708, 4221416, 8442832, 16357987, 32715974, 65431948, 130863896, 261727792]

約数ペア:

[(1, 261727792), (2, 130863896), (4, 65431948), (8, 32715974), (16, 16357987), (31, 8442832), (62, 4221416), (124, 2110708), (157, 1667056), (248, 1055354), (314, 833528), (496, 527677), (628, 416764), (1256, 208382), (2512, 104191), (3361, 77872), (4867, 53776), (6722, 38936), (9734, 26888), (13444, 19468)]