257130926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 441416304

約数和(自身を除く): 184285378

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 251, 403, 502, 533, 806, 961, 1066, 1271, 1922, 2542, 3263, 6526, 7781, 10291, 12493, 15562, 16523, 20582, 24986, 33046, 39401, 78802, 101153, 133783, 202306, 241211, 267566, 319021, 482422, 512213, 638042, 1024426, 3135743, 4147273, 6271486, 8294546, 9889651, 19779302, 128565463, 257130926]

約数ペア:

[(1, 257130926), (2, 128565463), (13, 19779302), (26, 9889651), (31, 8294546), (41, 6271486), (62, 4147273), (82, 3135743), (251, 1024426), (403, 638042), (502, 512213), (533, 482422), (806, 319021), (961, 267566), (1066, 241211), (1271, 202306), (1922, 133783), (2542, 101153), (3263, 78802), (6526, 39401), (7781, 33046), (10291, 24986), (12493, 20582), (15562, 16523)]