261441828

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{315751}}^1$

素因数の和:315784

約数の個数: 36

約数和(自身を含む): 689602368

約数和(自身を除く): 428160540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 315751, 631502, 947253, 1263004, 1894506, 2841759, 3789012, 5683518, 7262273, 11367036, 14524546, 21786819, 29049092, 43573638, 65360457, 87147276, 130720914, 261441828]

約数ペア:

[(1, 261441828), (2, 130720914), (3, 87147276), (4, 65360457), (6, 43573638), (9, 29049092), (12, 21786819), (18, 14524546), (23, 11367036), (36, 7262273), (46, 5683518), (69, 3789012), (92, 2841759), (138, 1894506), (207, 1263004), (276, 947253), (414, 631502), (828, 315751)]