140513398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 235923840

約数和(自身を除く): 95410442

約数列:

[1, 2, 17, 19, 34, 38, 323, 443, 491, 646, 886, 982, 7531, 8347, 8417, 9329, 15062, 16694, 16834, 18658, 143089, 158593, 217513, 286178, 317186, 435026, 3697721, 4132747, 7395442, 8265494, 70256699, 140513398]

約数ペア:

[(1, 140513398), (2, 70256699), (17, 8265494), (19, 7395442), (34, 4132747), (38, 3697721), (323, 435026), (443, 317186), (491, 286178), (646, 217513), (886, 158593), (982, 143089), (7531, 18658), (8347, 16834), (8417, 16694), (9329, 15062)]