261389616

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{53917}}^1$

素因数の和:54029

約数の個数: 40

約数和(自身を含む): 681954864

約数和(自身を除く): 420565248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4848, 53917, 107834, 161751, 215668, 323502, 431336, 647004, 862672, 1294008, 2588016, 5445617, 10891234, 16336851, 21782468, 32673702, 43564936, 65347404, 87129872, 130694808, 261389616]

約数ペア:

[(1, 261389616), (2, 130694808), (3, 87129872), (4, 65347404), (6, 43564936), (8, 32673702), (12, 21782468), (16, 16336851), (24, 10891234), (48, 5445617), (101, 2588016), (202, 1294008), (303, 862672), (404, 647004), (606, 431336), (808, 323502), (1212, 215668), (1616, 161751), (2424, 107834), (4848, 53917)]