263026390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103963}}^1$

素因数の和:104004

約数の個数: 32

約数和(自身を含む): 538949376

約数和(自身を除く): 275922986

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 103963, 207926, 519815, 1039630, 1143593, 2287186, 2391149, 4782298, 5717965, 11435930, 11955745, 23911490, 26302639, 52605278, 131513195, 263026390]

約数ペア:

[(1, 263026390), (2, 131513195), (5, 52605278), (10, 26302639), (11, 23911490), (22, 11955745), (23, 11435930), (46, 5717965), (55, 4782298), (110, 2391149), (115, 2287186), (230, 1143593), (253, 1039630), (506, 519815), (1265, 207926), (2530, 103963)]