261995254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 420650496

約数和(自身を除く): 158655242

約数列:

[1, 2, 23, 46, 71, 97, 142, 194, 827, 1633, 1654, 2231, 3266, 4462, 6887, 13774, 19021, 38042, 58717, 80219, 117434, 158401, 160438, 316802, 1350491, 1845037, 2700982, 3690074, 5695549, 11391098, 130997627, 261995254]

約数ペア:

[(1, 261995254), (2, 130997627), (23, 11391098), (46, 5695549), (71, 3690074), (97, 2700982), (142, 1845037), (194, 1350491), (827, 316802), (1633, 160438), (1654, 158401), (2231, 117434), (3266, 80219), (4462, 58717), (6887, 38042), (13774, 19021)]