263497858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4001}}^1$

素因数の和:4182

約数の個数: 32

約数和(自身を含む): 453826800

約数和(自身を除く): 190328942

約数列:

[1, 2, 13, 17, 26, 34, 149, 221, 298, 442, 1937, 2533, 3874, 4001, 5066, 8002, 32929, 52013, 65858, 68017, 104026, 136034, 596149, 884221, 1192298, 1768442, 7749937, 10134533, 15499874, 20269066, 131748929, 263497858]

約数ペア:

[(1, 263497858), (2, 131748929), (13, 20269066), (17, 15499874), (26, 10134533), (34, 7749937), (149, 1768442), (221, 1192298), (298, 884221), (442, 596149), (1937, 136034), (2533, 104026), (3874, 68017), (4001, 65858), (5066, 52013), (8002, 32929)]